Home / 142,360.88-213,577.02-42,520.68

Finding the Fourth Proportional to 142,360.88, 213,577.02 and 42,520.68

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Solution

The fourth proportional to 142,360.88, 213,577.02 and 42,520.68 is: 63,791.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,360.88 : 213,577.02 = 42,520.68 : x
  2. Step 2: Convert to fraction form
    142,360.88/213,577.02 = 42,520.68/x
  3. Step 3: Cross multiply
    142,360.88x = 213,577.02 × 42,520.68
  4. Step 4: Simplify right side
    142,360.88x = 9,081,440,122.77
  5. Step 5: Solve for x
    x = 9,081,440,122.77/142,360.88
  6. Step 6: Final answer
    x = 63,791.69

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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.