Home / 157,470.51-217,309.17-85,850.53

Finding the Fourth Proportional to 157,470.51, 217,309.17 and 85,850.53

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Solution

The fourth proportional to 157,470.51, 217,309.17 and 85,850.53 is: 118,473.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,470.51 : 217,309.17 = 85,850.53 : x
  2. Step 2: Convert to fraction form
    157,470.51/217,309.17 = 85,850.53/x
  3. Step 3: Cross multiply
    157,470.51x = 217,309.17 × 85,850.53
  4. Step 4: Simplify right side
    157,470.51x = 18,656,107,191.84
  5. Step 5: Solve for x
    x = 18,656,107,191.84/157,470.51
  6. Step 6: Final answer
    x = 118,473.66

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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.