Home / 153,521.92-229,949.58-74,470

Finding the Fourth Proportional to 153,521.92, 229,949.58 and 74,470

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Solution

The fourth proportional to 153,521.92, 229,949.58 and 74,470 is: 111,543.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,521.92 : 229,949.58 = 74,470 : x
  2. Step 2: Convert to fraction form
    153,521.92/229,949.58 = 74,470/x
  3. Step 3: Cross multiply
    153,521.92x = 229,949.58 × 74,470
  4. Step 4: Simplify right side
    153,521.92x = 17,124,345,222.60
  5. Step 5: Solve for x
    x = 17,124,345,222.60/153,521.92
  6. Step 6: Final answer
    x = 111,543.32

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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.