Home / 154,354.32-231,918.93-98,218.80

Finding the Fourth Proportional to 154,354.32, 231,918.93 and 98,218.80

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Solution

The fourth proportional to 154,354.32, 231,918.93 and 98,218.80 is: 147,574.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,354.32 : 231,918.93 = 98,218.80 : x
  2. Step 2: Convert to fraction form
    154,354.32/231,918.93 = 98,218.80/x
  3. Step 3: Cross multiply
    154,354.32x = 231,918.93 × 98,218.80
  4. Step 4: Simplify right side
    154,354.32x = 22,778,799,001.88
  5. Step 5: Solve for x
    x = 22,778,799,001.88/154,354.32
  6. Step 6: Final answer
    x = 147,574.74

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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.