Home / 152,398.13-210,307.20-84,414.88

Finding the Fourth Proportional to 152,398.13, 210,307.20 and 84,414.88

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Solution

The fourth proportional to 152,398.13, 210,307.20 and 84,414.88 is: 116,491.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,398.13 : 210,307.20 = 84,414.88 : x
  2. Step 2: Convert to fraction form
    152,398.13/210,307.20 = 84,414.88/x
  3. Step 3: Cross multiply
    152,398.13x = 210,307.20 × 84,414.88
  4. Step 4: Simplify right side
    152,398.13x = 17,753,056,997.46
  5. Step 5: Solve for x
    x = 17,753,056,997.46/152,398.13
  6. Step 6: Final answer
    x = 116,491.31

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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.