Home / 154,613.28-231,941.80-49,407.64

Finding the Fourth Proportional to 154,613.28, 231,941.80 and 49,407.64

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Solution

The fourth proportional to 154,613.28, 231,941.80 and 49,407.64 is: 74,118.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,613.28 : 231,941.80 = 49,407.64 : x
  2. Step 2: Convert to fraction form
    154,613.28/231,941.80 = 49,407.64/x
  3. Step 3: Cross multiply
    154,613.28x = 231,941.80 × 49,407.64
  4. Step 4: Simplify right side
    154,613.28x = 11,459,696,955.35
  5. Step 5: Solve for x
    x = 11,459,696,955.35/154,613.28
  6. Step 6: Final answer
    x = 74,118.45

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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.