Home / 142,782.48-214,184.34-42,934.68

Finding the Fourth Proportional to 142,782.48, 214,184.34 and 42,934.68

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Solution

The fourth proportional to 142,782.48, 214,184.34 and 42,934.68 is: 64,405.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,782.48 : 214,184.34 = 42,934.68 : x
  2. Step 2: Convert to fraction form
    142,782.48/214,184.34 = 42,934.68/x
  3. Step 3: Cross multiply
    142,782.48x = 214,184.34 × 42,934.68
  4. Step 4: Simplify right side
    142,782.48x = 9,195,936,098.91
  5. Step 5: Solve for x
    x = 9,195,936,098.91/142,782.48
  6. Step 6: Final answer
    x = 64,405.21

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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.