Home / 148,302.90-204,658.29-80,320.05

Finding the Fourth Proportional to 148,302.90, 204,658.29 and 80,320.05

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Solution

The fourth proportional to 148,302.90, 204,658.29 and 80,320.05 is: 110,841.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,302.90 : 204,658.29 = 80,320.05 : x
  2. Step 2: Convert to fraction form
    148,302.90/204,658.29 = 80,320.05/x
  3. Step 3: Cross multiply
    148,302.90x = 204,658.29 × 80,320.05
  4. Step 4: Simplify right side
    148,302.90x = 16,438,164,085.71
  5. Step 5: Solve for x
    x = 16,438,164,085.71/148,302.90
  6. Step 6: Final answer
    x = 110,841.82

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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.