Home / 154,487.19-231,774.53-91,363.35

Finding the Fourth Proportional to 154,487.19, 231,774.53 and 91,363.35

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Solution

The fourth proportional to 154,487.19, 231,774.53 and 91,363.35 is: 137,070.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,487.19 : 231,774.53 = 91,363.35 : x
  2. Step 2: Convert to fraction form
    154,487.19/231,774.53 = 91,363.35/x
  3. Step 3: Cross multiply
    154,487.19x = 231,774.53 × 91,363.35
  4. Step 4: Simplify right side
    154,487.19x = 21,175,697,048.66
  5. Step 5: Solve for x
    x = 21,175,697,048.66/154,487.19
  6. Step 6: Final answer
    x = 137,070.89

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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.