Home / 131,392.38-181,267.80-97,019.48

Finding the Fourth Proportional to 131,392.38, 181,267.80 and 97,019.48

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Solution

The fourth proportional to 131,392.38, 181,267.80 and 97,019.48 is: 133,847.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,392.38 : 181,267.80 = 97,019.48 : x
  2. Step 2: Convert to fraction form
    131,392.38/181,267.80 = 97,019.48/x
  3. Step 3: Cross multiply
    131,392.38x = 181,267.80 × 97,019.48
  4. Step 4: Simplify right side
    131,392.38x = 17,586,507,696.74
  5. Step 5: Solve for x
    x = 17,586,507,696.74/131,392.38
  6. Step 6: Final answer
    x = 133,847.24

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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.