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Finding the Fourth Proportional to 136,005.80, 204,027.90 and 42,501.80

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Solution

The fourth proportional to 136,005.80, 204,027.90 and 42,501.80 is: 63,758.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,005.80 : 204,027.90 = 42,501.80 : x
  2. Step 2: Convert to fraction form
    136,005.80/204,027.90 = 42,501.80/x
  3. Step 3: Cross multiply
    136,005.80x = 204,027.90 × 42,501.80
  4. Step 4: Simplify right side
    136,005.80x = 8,671,553,000.22
  5. Step 5: Solve for x
    x = 8,671,553,000.22/136,005.80
  6. Step 6: Final answer
    x = 63,758.70

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1.5x scale

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.