Home / 148,943.20-223,479.60-75,071.20

Finding the Fourth Proportional to 148,943.20, 223,479.60 and 75,071.20

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Solution

The fourth proportional to 148,943.20, 223,479.60 and 75,071.20 is: 112,639.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,943.20 : 223,479.60 = 75,071.20 : x
  2. Step 2: Convert to fraction form
    148,943.20/223,479.60 = 75,071.20/x
  3. Step 3: Cross multiply
    148,943.20x = 223,479.60 × 75,071.20
  4. Step 4: Simplify right side
    148,943.20x = 16,776,881,747.52
  5. Step 5: Solve for x
    x = 16,776,881,747.52/148,943.20
  6. Step 6: Final answer
    x = 112,639.46

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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.