Home / 112,818.40-169,227.60-112,040.80

Finding the Fourth Proportional to 112,818.40, 169,227.60 and 112,040.80

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Solution

The fourth proportional to 112,818.40, 169,227.60 and 112,040.80 is: 168,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,818.40 : 169,227.60 = 112,040.80 : x
  2. Step 2: Convert to fraction form
    112,818.40/169,227.60 = 112,040.80/x
  3. Step 3: Cross multiply
    112,818.40x = 169,227.60 × 112,040.80
  4. Step 4: Simplify right side
    112,818.40x = 18,960,395,686.08
  5. Step 5: Solve for x
    x = 18,960,395,686.08/112,818.40
  6. Step 6: Final answer
    x = 168,061.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.