Home / 154,480.10-231,720.15-124,412.90

Finding the Fourth Proportional to 154,480.10, 231,720.15 and 124,412.90

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Solution

The fourth proportional to 154,480.10, 231,720.15 and 124,412.90 is: 186,619.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,480.10 : 231,720.15 = 124,412.90 : x
  2. Step 2: Convert to fraction form
    154,480.10/231,720.15 = 124,412.90/x
  3. Step 3: Cross multiply
    154,480.10x = 231,720.15 × 124,412.90
  4. Step 4: Simplify right side
    154,480.10x = 28,828,975,849.94
  5. Step 5: Solve for x
    x = 28,828,975,849.94/154,480.10
  6. Step 6: Final answer
    x = 186,619.35

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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.