Home / 154,931.00-232,494.80-66,185.15

Finding the Fourth Proportional to 154,931.00, 232,494.80 and 66,185.15

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Solution

The fourth proportional to 154,931.00, 232,494.80 and 66,185.15 is: 99,319.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,931.00 : 232,494.80 = 66,185.15 : x
  2. Step 2: Convert to fraction form
    154,931.00/232,494.80 = 66,185.15/x
  3. Step 3: Cross multiply
    154,931.00x = 232,494.80 × 66,185.15
  4. Step 4: Simplify right side
    154,931.00x = 15,387,701,718.82
  5. Step 5: Solve for x
    x = 15,387,701,718.82/154,931.00
  6. Step 6: Final answer
    x = 99,319.71

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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.