Home / 152,962.60-211,264.98-101,891.20

Finding the Fourth Proportional to 152,962.60, 211,264.98 and 101,891.20

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Solution

The fourth proportional to 152,962.60, 211,264.98 and 101,891.20 is: 140,727.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,962.60 : 211,264.98 = 101,891.20 : x
  2. Step 2: Convert to fraction form
    152,962.60/211,264.98 = 101,891.20/x
  3. Step 3: Cross multiply
    152,962.60x = 211,264.98 × 101,891.20
  4. Step 4: Simplify right side
    152,962.60x = 21,526,042,330.18
  5. Step 5: Solve for x
    x = 21,526,042,330.18/152,962.60
  6. Step 6: Final answer
    x = 140,727.49

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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.