Home / 142,130.25-213,329.43-104,575.95

Finding the Fourth Proportional to 142,130.25, 213,329.43 and 104,575.95

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Solution

The fourth proportional to 142,130.25, 213,329.43 and 104,575.95 is: 156,962.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,130.25 : 213,329.43 = 104,575.95 : x
  2. Step 2: Convert to fraction form
    142,130.25/213,329.43 = 104,575.95/x
  3. Step 3: Cross multiply
    142,130.25x = 213,329.43 × 104,575.95
  4. Step 4: Simplify right side
    142,130.25x = 22,309,127,805.21
  5. Step 5: Solve for x
    x = 22,309,127,805.21/142,130.25
  6. Step 6: Final answer
    x = 156,962.56

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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.