Home / 148,320.59-204,682.75-80,337.29

Finding the Fourth Proportional to 148,320.59, 204,682.75 and 80,337.29

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Solution

The fourth proportional to 148,320.59, 204,682.75 and 80,337.29 is: 110,865.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,320.59 : 204,682.75 = 80,337.29 : x
  2. Step 2: Convert to fraction form
    148,320.59/204,682.75 = 80,337.29/x
  3. Step 3: Cross multiply
    148,320.59x = 204,682.75 × 80,337.29
  4. Step 4: Simplify right side
    148,320.59x = 16,443,656,220.49
  5. Step 5: Solve for x
    x = 16,443,656,220.49/148,320.59
  6. Step 6: Final answer
    x = 110,865.64

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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.