Home / 109,279.68-150,820.32-61,542.36

Finding the Fourth Proportional to 109,279.68, 150,820.32 and 61,542.36

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Solution

The fourth proportional to 109,279.68, 150,820.32 and 61,542.36 is: 84,936.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,279.68 : 150,820.32 = 61,542.36 : x
  2. Step 2: Convert to fraction form
    109,279.68/150,820.32 = 61,542.36/x
  3. Step 3: Cross multiply
    109,279.68x = 150,820.32 × 61,542.36
  4. Step 4: Simplify right side
    109,279.68x = 9,281,838,428.76
  5. Step 5: Solve for x
    x = 9,281,838,428.76/109,279.68
  6. Step 6: Final answer
    x = 84,936.54

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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.