Home / 160,139.52-220,355.10-155,269.80

Finding the Fourth Proportional to 160,139.52, 220,355.10 and 155,269.80

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Solution

The fourth proportional to 160,139.52, 220,355.10 and 155,269.80 is: 213,654.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,139.52 : 220,355.10 = 155,269.80 : x
  2. Step 2: Convert to fraction form
    160,139.52/220,355.10 = 155,269.80/x
  3. Step 3: Cross multiply
    160,139.52x = 220,355.10 × 155,269.80
  4. Step 4: Simplify right side
    160,139.52x = 34,214,492,305.98
  5. Step 5: Solve for x
    x = 34,214,492,305.98/160,139.52
  6. Step 6: Final answer
    x = 213,654.27

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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.