Home / 148,348.48-204,764.96-128,419.52

Finding the Fourth Proportional to 148,348.48, 204,764.96 and 128,419.52

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Solution

The fourth proportional to 148,348.48, 204,764.96 and 128,419.52 is: 177,257.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,348.48 : 204,764.96 = 128,419.52 : x
  2. Step 2: Convert to fraction form
    148,348.48/204,764.96 = 128,419.52/x
  3. Step 3: Cross multiply
    148,348.48x = 204,764.96 × 128,419.52
  4. Step 4: Simplify right side
    148,348.48x = 26,295,817,876.02
  5. Step 5: Solve for x
    x = 26,295,817,876.02/148,348.48
  6. Step 6: Final answer
    x = 177,257.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.