Home / 127,332.27-175,772.39-85,948.23

Finding the Fourth Proportional to 127,332.27, 175,772.39 and 85,948.23

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Solution

The fourth proportional to 127,332.27, 175,772.39 and 85,948.23 is: 118,644.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,332.27 : 175,772.39 = 85,948.23 : x
  2. Step 2: Convert to fraction form
    127,332.27/175,772.39 = 85,948.23/x
  3. Step 3: Cross multiply
    127,332.27x = 175,772.39 × 85,948.23
  4. Step 4: Simplify right side
    127,332.27x = 15,107,325,803.37
  5. Step 5: Solve for x
    x = 15,107,325,803.37/127,332.27
  6. Step 6: Final answer
    x = 118,644.91

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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.