Home / 112,001.95-154,350.03-80,115.49

Finding the Fourth Proportional to 112,001.95, 154,350.03 and 80,115.49

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Solution

The fourth proportional to 112,001.95, 154,350.03 and 80,115.49 is: 110,407.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,001.95 : 154,350.03 = 80,115.49 : x
  2. Step 2: Convert to fraction form
    112,001.95/154,350.03 = 80,115.49/x
  3. Step 3: Cross multiply
    112,001.95x = 154,350.03 × 80,115.49
  4. Step 4: Simplify right side
    112,001.95x = 12,365,828,284.96
  5. Step 5: Solve for x
    x = 12,365,828,284.96/112,001.95
  6. Step 6: Final answer
    x = 110,407.26

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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.