Home / 134,269.45-185,320.10-85,179.40

Finding the Fourth Proportional to 134,269.45, 185,320.10 and 85,179.40

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Solution

The fourth proportional to 134,269.45, 185,320.10 and 85,179.40 is: 117,565.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,269.45 : 185,320.10 = 85,179.40 : x
  2. Step 2: Convert to fraction form
    134,269.45/185,320.10 = 85,179.40/x
  3. Step 3: Cross multiply
    134,269.45x = 185,320.10 × 85,179.40
  4. Step 4: Simplify right side
    134,269.45x = 15,785,454,675.59
  5. Step 5: Solve for x
    x = 15,785,454,675.59/134,269.45
  6. Step 6: Final answer
    x = 117,565.50

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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.