Home / 185,132.59-277,475.63-85,155.71

Finding the Fourth Proportional to 185,132.59, 277,475.63 and 85,155.71

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Solution

The fourth proportional to 185,132.59, 277,475.63 and 85,155.71 is: 127,630.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,132.59 : 277,475.63 = 85,155.71 : x
  2. Step 2: Convert to fraction form
    185,132.59/277,475.63 = 85,155.71/x
  3. Step 3: Cross multiply
    185,132.59x = 277,475.63 × 85,155.71
  4. Step 4: Simplify right side
    185,132.59x = 23,628,632,467.19
  5. Step 5: Solve for x
    x = 23,628,632,467.19/185,132.59
  6. Step 6: Final answer
    x = 127,630.87

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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.