Home / 480,162.28-720,243.74-125,175.40

Finding the Fourth Proportional to 480,162.28, 720,243.74 and 125,175.40

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Solution

The fourth proportional to 480,162.28, 720,243.74 and 125,175.40 is: 187,763.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,162.28 : 720,243.74 = 125,175.40 : x
  2. Step 2: Convert to fraction form
    480,162.28/720,243.74 = 125,175.40/x
  3. Step 3: Cross multiply
    480,162.28x = 720,243.74 × 125,175.40
  4. Step 4: Simplify right side
    480,162.28x = 90,156,798,252.00
  5. Step 5: Solve for x
    x = 90,156,798,252.00/480,162.28
  6. Step 6: Final answer
    x = 187,763.18

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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.