Home / 102,287.57-153,440.06-31,226.18

Finding the Fourth Proportional to 102,287.57, 153,440.06 and 31,226.18

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Solution

The fourth proportional to 102,287.57, 153,440.06 and 31,226.18 is: 46,841.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,287.57 : 153,440.06 = 31,226.18 : x
  2. Step 2: Convert to fraction form
    102,287.57/153,440.06 = 31,226.18/x
  3. Step 3: Cross multiply
    102,287.57x = 153,440.06 × 31,226.18
  4. Step 4: Simplify right side
    102,287.57x = 4,791,346,009.44
  5. Step 5: Solve for x
    x = 4,791,346,009.44/102,287.57
  6. Step 6: Final answer
    x = 46,841.92

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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.