Home / 161,541.35-242,312.09-72,691.07

Finding the Fourth Proportional to 161,541.35, 242,312.09 and 72,691.07

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Solution

The fourth proportional to 161,541.35, 242,312.09 and 72,691.07 is: 109,036.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,541.35 : 242,312.09 = 72,691.07 : x
  2. Step 2: Convert to fraction form
    161,541.35/242,312.09 = 72,691.07/x
  3. Step 3: Cross multiply
    161,541.35x = 242,312.09 × 72,691.07
  4. Step 4: Simplify right side
    161,541.35x = 17,613,923,929.91
  5. Step 5: Solve for x
    x = 17,613,923,929.91/161,541.35
  6. Step 6: Final answer
    x = 109,036.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.