Home / 109,473.03-150,943.35-77,212.95

Finding the Fourth Proportional to 109,473.03, 150,943.35 and 77,212.95

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Solution

The fourth proportional to 109,473.03, 150,943.35 and 77,212.95 is: 106,462.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,473.03 : 150,943.35 = 77,212.95 : x
  2. Step 2: Convert to fraction form
    109,473.03/150,943.35 = 77,212.95/x
  3. Step 3: Cross multiply
    109,473.03x = 150,943.35 × 77,212.95
  4. Step 4: Simplify right side
    109,473.03x = 11,654,781,336.38
  5. Step 5: Solve for x
    x = 11,654,781,336.38/109,473.03
  6. Step 6: Final answer
    x = 106,462.58

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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.