Home / 148,302.78-204,666.82-90,948.72

Finding the Fourth Proportional to 148,302.78, 204,666.82 and 90,948.72

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Solution

The fourth proportional to 148,302.78, 204,666.82 and 90,948.72 is: 125,514.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,302.78 : 204,666.82 = 90,948.72 : x
  2. Step 2: Convert to fraction form
    148,302.78/204,666.82 = 90,948.72/x
  3. Step 3: Cross multiply
    148,302.78x = 204,666.82 × 90,948.72
  4. Step 4: Simplify right side
    148,302.78x = 18,614,185,305.47
  5. Step 5: Solve for x
    x = 18,614,185,305.47/148,302.78
  6. Step 6: Final answer
    x = 125,514.74

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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.