Home / 129,424.23-194,225.01-45,184.40

Finding the Fourth Proportional to 129,424.23, 194,225.01 and 45,184.40

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Solution

The fourth proportional to 129,424.23, 194,225.01 and 45,184.40 is: 67,807.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,424.23 : 194,225.01 = 45,184.40 : x
  2. Step 2: Convert to fraction form
    129,424.23/194,225.01 = 45,184.40/x
  3. Step 3: Cross multiply
    129,424.23x = 194,225.01 × 45,184.40
  4. Step 4: Simplify right side
    129,424.23x = 8,775,940,129.62
  5. Step 5: Solve for x
    x = 8,775,940,129.62/129,424.23
  6. Step 6: Final answer
    x = 67,807.55

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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.