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Finding the Fourth Proportional to 136,008.80, 204,032.40 and 42,504.80

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Solution

The fourth proportional to 136,008.80, 204,032.40 and 42,504.80 is: 63,763.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,008.80 : 204,032.40 = 42,504.80 : x
  2. Step 2: Convert to fraction form
    136,008.80/204,032.40 = 42,504.80/x
  3. Step 3: Cross multiply
    136,008.80x = 204,032.40 × 42,504.80
  4. Step 4: Simplify right side
    136,008.80x = 8,672,356,355.52
  5. Step 5: Solve for x
    x = 8,672,356,355.52/136,008.80
  6. Step 6: Final answer
    x = 63,763.20

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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.