Home / 154,931.75-232,495.92-66,185.90

Finding the Fourth Proportional to 154,931.75, 232,495.92 and 66,185.90

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Solution

The fourth proportional to 154,931.75, 232,495.92 and 66,185.90 is: 99,320.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,931.75 : 232,495.92 = 66,185.90 : x
  2. Step 2: Convert to fraction form
    154,931.75/232,495.92 = 66,185.90/x
  3. Step 3: Cross multiply
    154,931.75x = 232,495.92 × 66,185.90
  4. Step 4: Simplify right side
    154,931.75x = 15,387,950,549.05
  5. Step 5: Solve for x
    x = 15,387,950,549.05/154,931.75
  6. Step 6: Final answer
    x = 99,320.84

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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.