Home / 142,834.80-214,165.80-63,934.32

Finding the Fourth Proportional to 142,834.80, 214,165.80 and 63,934.32

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Solution

The fourth proportional to 142,834.80, 214,165.80 and 63,934.32 is: 95,862.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,834.80 : 214,165.80 = 63,934.32 : x
  2. Step 2: Convert to fraction form
    142,834.80/214,165.80 = 63,934.32/x
  3. Step 3: Cross multiply
    142,834.80x = 214,165.80 × 63,934.32
  4. Step 4: Simplify right side
    142,834.80x = 13,692,544,790.26
  5. Step 5: Solve for x
    x = 13,692,544,790.26/142,834.80
  6. Step 6: Final answer
    x = 95,862.81

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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.