Home / 152,679.24-210,686.70-88,151.04

Finding the Fourth Proportional to 152,679.24, 210,686.70 and 88,151.04

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Solution

The fourth proportional to 152,679.24, 210,686.70 and 88,151.04 is: 121,642.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,679.24 : 210,686.70 = 88,151.04 : x
  2. Step 2: Convert to fraction form
    152,679.24/210,686.70 = 88,151.04/x
  3. Step 3: Cross multiply
    152,679.24x = 210,686.70 × 88,151.04
  4. Step 4: Simplify right side
    152,679.24x = 18,572,251,719.17
  5. Step 5: Solve for x
    x = 18,572,251,719.17/152,679.24
  6. Step 6: Final answer
    x = 121,642.29

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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.