Home / 142,591.32-213,810.26-57,159.31

Finding the Fourth Proportional to 142,591.32, 213,810.26 and 57,159.31

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Solution

The fourth proportional to 142,591.32, 213,810.26 and 57,159.31 is: 85,708.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,591.32 : 213,810.26 = 57,159.31 : x
  2. Step 2: Convert to fraction form
    142,591.32/213,810.26 = 57,159.31/x
  3. Step 3: Cross multiply
    142,591.32x = 213,810.26 × 57,159.31
  4. Step 4: Simplify right side
    142,591.32x = 12,221,246,932.52
  5. Step 5: Solve for x
    x = 12,221,246,932.52/142,591.32
  6. Step 6: Final answer
    x = 85,708.21

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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.