Home / 109,549.98-151,271.15-69,334.70

Finding the Fourth Proportional to 109,549.98, 151,271.15 and 69,334.70

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Solution

The fourth proportional to 109,549.98, 151,271.15 and 69,334.70 is: 95,740.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,549.98 : 151,271.15 = 69,334.70 : x
  2. Step 2: Convert to fraction form
    109,549.98/151,271.15 = 69,334.70/x
  3. Step 3: Cross multiply
    109,549.98x = 151,271.15 × 69,334.70
  4. Step 4: Simplify right side
    109,549.98x = 10,488,338,700.88
  5. Step 5: Solve for x
    x = 10,488,338,700.88/109,549.98
  6. Step 6: Final answer
    x = 95,740.22

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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.