Home / 136,242.14-204,397.77-42,748.70

Finding the Fourth Proportional to 136,242.14, 204,397.77 and 42,748.70

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Solution

The fourth proportional to 136,242.14, 204,397.77 and 42,748.70 is: 64,133.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,242.14 : 204,397.77 = 42,748.70 : x
  2. Step 2: Convert to fraction form
    136,242.14/204,397.77 = 42,748.70/x
  3. Step 3: Cross multiply
    136,242.14x = 204,397.77 × 42,748.70
  4. Step 4: Simplify right side
    136,242.14x = 8,737,738,950.40
  5. Step 5: Solve for x
    x = 8,737,738,950.40/136,242.14
  6. Step 6: Final answer
    x = 64,133.89

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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.