Home / 129,232.20-178,314.24-75,506.82

Finding the Fourth Proportional to 129,232.20, 178,314.24 and 75,506.82

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Solution

The fourth proportional to 129,232.20, 178,314.24 and 75,506.82 is: 104,184.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,232.20 : 178,314.24 = 75,506.82 : x
  2. Step 2: Convert to fraction form
    129,232.20/178,314.24 = 75,506.82/x
  3. Step 3: Cross multiply
    129,232.20x = 178,314.24 × 75,506.82
  4. Step 4: Simplify right side
    129,232.20x = 13,463,941,223.12
  5. Step 5: Solve for x
    x = 13,463,941,223.12/129,232.20
  6. Step 6: Final answer
    x = 104,184.11

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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.