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Finding the Fourth Proportional to 128,184, 176,888.52 and 73,732.02

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Solution

The fourth proportional to 128,184, 176,888.52 and 73,732.02 is: 101,747.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,184 : 176,888.52 = 73,732.02 : x
  2. Step 2: Convert to fraction form
    128,184/176,888.52 = 73,732.02/x
  3. Step 3: Cross multiply
    128,184x = 176,888.52 × 73,732.02
  4. Step 4: Simplify right side
    128,184x = 13,042,347,894.41
  5. Step 5: Solve for x
    x = 13,042,347,894.41/128,184
  6. Step 6: Final answer
    x = 101,747.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.