Home / 103,062.13-142,240.76-57,743.18

Finding the Fourth Proportional to 103,062.13, 142,240.76 and 57,743.18

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Solution

The fourth proportional to 103,062.13, 142,240.76 and 57,743.18 is: 79,694.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,062.13 : 142,240.76 = 57,743.18 : x
  2. Step 2: Convert to fraction form
    103,062.13/142,240.76 = 57,743.18/x
  3. Step 3: Cross multiply
    103,062.13x = 142,240.76 × 57,743.18
  4. Step 4: Simplify right side
    103,062.13x = 8,213,433,740.74
  5. Step 5: Solve for x
    x = 8,213,433,740.74/103,062.13
  6. Step 6: Final answer
    x = 79,694.00

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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.