Home / 154,430.75-231,209.33-98,131.29

Finding the Fourth Proportional to 154,430.75, 231,209.33 and 98,131.29

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Solution

The fourth proportional to 154,430.75, 231,209.33 and 98,131.29 is: 146,919.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,430.75 : 231,209.33 = 98,131.29 : x
  2. Step 2: Convert to fraction form
    154,430.75/231,209.33 = 98,131.29/x
  3. Step 3: Cross multiply
    154,430.75x = 231,209.33 × 98,131.29
  4. Step 4: Simplify right side
    154,430.75x = 22,688,869,322.28
  5. Step 5: Solve for x
    x = 22,688,869,322.28/154,430.75
  6. Step 6: Final answer
    x = 146,919.38

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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.