Home / 142,209.90-213,314.86-42,367.52

Finding the Fourth Proportional to 142,209.90, 213,314.86 and 42,367.52

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Solution

The fourth proportional to 142,209.90, 213,314.86 and 42,367.52 is: 63,551.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,209.90 : 213,314.86 = 42,367.52 : x
  2. Step 2: Convert to fraction form
    142,209.90/213,314.86 = 42,367.52/x
  3. Step 3: Cross multiply
    142,209.90x = 213,314.86 × 42,367.52
  4. Step 4: Simplify right side
    142,209.90x = 9,037,621,597.35
  5. Step 5: Solve for x
    x = 9,037,621,597.35/142,209.90
  6. Step 6: Final answer
    x = 63,551.28

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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.