Home / 142,474.07-213,712.02-42,624.77

Finding the Fourth Proportional to 142,474.07, 213,712.02 and 42,624.77

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Solution

The fourth proportional to 142,474.07, 213,712.02 and 42,624.77 is: 63,937.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,474.07 : 213,712.02 = 42,624.77 : x
  2. Step 2: Convert to fraction form
    142,474.07/213,712.02 = 42,624.77/x
  3. Step 3: Cross multiply
    142,474.07x = 213,712.02 × 42,624.77
  4. Step 4: Simplify right side
    142,474.07x = 9,109,425,698.74
  5. Step 5: Solve for x
    x = 9,109,425,698.74/142,474.07
  6. Step 6: Final answer
    x = 63,937.43

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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.