Home / 98,948.72-148,424.70-28,831.88

Finding the Fourth Proportional to 98,948.72, 148,424.70 and 28,831.88

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Solution

The fourth proportional to 98,948.72, 148,424.70 and 28,831.88 is: 43,248.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,948.72 : 148,424.70 = 28,831.88 : x
  2. Step 2: Convert to fraction form
    98,948.72/148,424.70 = 28,831.88/x
  3. Step 3: Cross multiply
    98,948.72x = 148,424.70 × 28,831.88
  4. Step 4: Simplify right side
    98,948.72x = 4,279,363,139.44
  5. Step 5: Solve for x
    x = 4,279,363,139.44/98,948.72
  6. Step 6: Final answer
    x = 43,248.29

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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.