Home / 207,084.65-310,550.06-72,114.06

Finding the Fourth Proportional to 207,084.65, 310,550.06 and 72,114.06

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Solution

The fourth proportional to 207,084.65, 310,550.06 and 72,114.06 is: 108,144.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,084.65 : 310,550.06 = 72,114.06 : x
  2. Step 2: Convert to fraction form
    207,084.65/310,550.06 = 72,114.06/x
  3. Step 3: Cross multiply
    207,084.65x = 310,550.06 × 72,114.06
  4. Step 4: Simplify right side
    207,084.65x = 22,395,023,746.52
  5. Step 5: Solve for x
    x = 22,395,023,746.52/207,084.65
  6. Step 6: Final answer
    x = 108,144.30

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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.