Home / 160,144.38-221,002.95-103,654.17

Finding the Fourth Proportional to 160,144.38, 221,002.95 and 103,654.17

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Solution

The fourth proportional to 160,144.38, 221,002.95 and 103,654.17 is: 143,045.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,144.38 : 221,002.95 = 103,654.17 : x
  2. Step 2: Convert to fraction form
    160,144.38/221,002.95 = 103,654.17/x
  3. Step 3: Cross multiply
    160,144.38x = 221,002.95 × 103,654.17
  4. Step 4: Simplify right side
    160,144.38x = 22,907,877,349.80
  5. Step 5: Solve for x
    x = 22,907,877,349.80/160,144.38
  6. Step 6: Final answer
    x = 143,045.15

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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.