Home / 123,377.62-170,548.05-110,080.66

Finding the Fourth Proportional to 123,377.62, 170,548.05 and 110,080.66

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Solution

The fourth proportional to 123,377.62, 170,548.05 and 110,080.66 is: 152,167.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,377.62 : 170,548.05 = 110,080.66 : x
  2. Step 2: Convert to fraction form
    123,377.62/170,548.05 = 110,080.66/x
  3. Step 3: Cross multiply
    123,377.62x = 170,548.05 × 110,080.66
  4. Step 4: Simplify right side
    123,377.62x = 18,774,041,905.71
  5. Step 5: Solve for x
    x = 18,774,041,905.71/123,377.62
  6. Step 6: Final answer
    x = 152,167.32

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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.