Home / 142,555.52-213,692.08-67,543.84

Finding the Fourth Proportional to 142,555.52, 213,692.08 and 67,543.84

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Solution

The fourth proportional to 142,555.52, 213,692.08 and 67,543.84 is: 101,248.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,555.52 : 213,692.08 = 67,543.84 : x
  2. Step 2: Convert to fraction form
    142,555.52/213,692.08 = 67,543.84/x
  3. Step 3: Cross multiply
    142,555.52x = 213,692.08 × 67,543.84
  4. Step 4: Simplify right side
    142,555.52x = 14,433,583,660.79
  5. Step 5: Solve for x
    x = 14,433,583,660.79/142,555.52
  6. Step 6: Final answer
    x = 101,248.86

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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.