Home / 130,176.32-195,265.52-85,235.56

Finding the Fourth Proportional to 130,176.32, 195,265.52 and 85,235.56

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Solution

The fourth proportional to 130,176.32, 195,265.52 and 85,235.56 is: 127,854.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,176.32 : 195,265.52 = 85,235.56 : x
  2. Step 2: Convert to fraction form
    130,176.32/195,265.52 = 85,235.56/x
  3. Step 3: Cross multiply
    130,176.32x = 195,265.52 × 85,235.56
  4. Step 4: Simplify right side
    130,176.32x = 16,643,565,945.89
  5. Step 5: Solve for x
    x = 16,643,565,945.89/130,176.32
  6. Step 6: Final answer
    x = 127,854.02

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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.