Home / 206,164.53-284,502.24-121,287.06

Finding the Fourth Proportional to 206,164.53, 284,502.24 and 121,287.06

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Solution

The fourth proportional to 206,164.53, 284,502.24 and 121,287.06 is: 167,373.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,164.53 : 284,502.24 = 121,287.06 : x
  2. Step 2: Convert to fraction form
    206,164.53/284,502.24 = 121,287.06/x
  3. Step 3: Cross multiply
    206,164.53x = 284,502.24 × 121,287.06
  4. Step 4: Simplify right side
    206,164.53x = 34,506,440,253.01
  5. Step 5: Solve for x
    x = 34,506,440,253.01/206,164.53
  6. Step 6: Final answer
    x = 167,373.31

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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.