Home / 109,264.83-150,776.28-66,815.16

Finding the Fourth Proportional to 109,264.83, 150,776.28 and 66,815.16

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Solution

The fourth proportional to 109,264.83, 150,776.28 and 66,815.16 is: 92,199.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,264.83 : 150,776.28 = 66,815.16 : x
  2. Step 2: Convert to fraction form
    109,264.83/150,776.28 = 66,815.16/x
  3. Step 3: Cross multiply
    109,264.83x = 150,776.28 × 66,815.16
  4. Step 4: Simplify right side
    109,264.83x = 10,074,141,272.40
  5. Step 5: Solve for x
    x = 10,074,141,272.40/109,264.83
  6. Step 6: Final answer
    x = 92,199.30

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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.