Home / 131,225.64-181,089.72-73,864.68

Finding the Fourth Proportional to 131,225.64, 181,089.72 and 73,864.68

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Solution

The fourth proportional to 131,225.64, 181,089.72 and 73,864.68 is: 101,932.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,225.64 : 181,089.72 = 73,864.68 : x
  2. Step 2: Convert to fraction form
    131,225.64/181,089.72 = 73,864.68/x
  3. Step 3: Cross multiply
    131,225.64x = 181,089.72 × 73,864.68
  4. Step 4: Simplify right side
    131,225.64x = 13,376,134,219.09
  5. Step 5: Solve for x
    x = 13,376,134,219.09/131,225.64
  6. Step 6: Final answer
    x = 101,932.32

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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.