Home / 129,617.64-178,872.33-70,001.64

Finding the Fourth Proportional to 129,617.64, 178,872.33 and 70,001.64

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Solution

The fourth proportional to 129,617.64, 178,872.33 and 70,001.64 is: 96,602.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,617.64 : 178,872.33 = 70,001.64 : x
  2. Step 2: Convert to fraction form
    129,617.64/178,872.33 = 70,001.64/x
  3. Step 3: Cross multiply
    129,617.64x = 178,872.33 × 70,001.64
  4. Step 4: Simplify right side
    129,617.64x = 12,521,356,450.62
  5. Step 5: Solve for x
    x = 12,521,356,450.62/129,617.64
  6. Step 6: Final answer
    x = 96,602.26

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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.