Home / 170,233.32-255,264.18-99,179.40

Finding the Fourth Proportional to 170,233.32, 255,264.18 and 99,179.40

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Solution

The fourth proportional to 170,233.32, 255,264.18 and 99,179.40 is: 148,719.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,233.32 : 255,264.18 = 99,179.40 : x
  2. Step 2: Convert to fraction form
    170,233.32/255,264.18 = 99,179.40/x
  3. Step 3: Cross multiply
    170,233.32x = 255,264.18 × 99,179.40
  4. Step 4: Simplify right side
    170,233.32x = 25,316,948,213.89
  5. Step 5: Solve for x
    x = 25,316,948,213.89/170,233.32
  6. Step 6: Final answer
    x = 148,719.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.