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Finding the Fourth Proportional to 181,475.50, 250,424.32 and 100,900.06

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Solution

The fourth proportional to 181,475.50, 250,424.32 and 100,900.06 is: 139,235.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,475.50 : 250,424.32 = 100,900.06 : x
  2. Step 2: Convert to fraction form
    181,475.50/250,424.32 = 100,900.06/x
  3. Step 3: Cross multiply
    181,475.50x = 250,424.32 × 100,900.06
  4. Step 4: Simplify right side
    181,475.50x = 25,267,828,913.46
  5. Step 5: Solve for x
    x = 25,267,828,913.46/181,475.50
  6. Step 6: Final answer
    x = 139,235.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.