Home / 160,835.28-221,962.85-92,864.80

Finding the Fourth Proportional to 160,835.28, 221,962.85 and 92,864.80

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Solution

The fourth proportional to 160,835.28, 221,962.85 and 92,864.80 is: 128,159.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,835.28 : 221,962.85 = 92,864.80 : x
  2. Step 2: Convert to fraction form
    160,835.28/221,962.85 = 92,864.80/x
  3. Step 3: Cross multiply
    160,835.28x = 221,962.85 × 92,864.80
  4. Step 4: Simplify right side
    160,835.28x = 20,612,535,672.68
  5. Step 5: Solve for x
    x = 20,612,535,672.68/160,835.28
  6. Step 6: Final answer
    x = 128,159.29

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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.