Home / 129,547.40-194,612.70-126,048.20

Finding the Fourth Proportional to 129,547.40, 194,612.70 and 126,048.20

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Solution

The fourth proportional to 129,547.40, 194,612.70 and 126,048.20 is: 189,356.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,547.40 : 194,612.70 = 126,048.20 : x
  2. Step 2: Convert to fraction form
    129,547.40/194,612.70 = 126,048.20/x
  3. Step 3: Cross multiply
    129,547.40x = 194,612.70 × 126,048.20
  4. Step 4: Simplify right side
    129,547.40x = 24,530,580,532.14
  5. Step 5: Solve for x
    x = 24,530,580,532.14/129,547.40
  6. Step 6: Final answer
    x = 189,356.02

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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.