Home / 141,585.12-195,377.40-84,221.28

Finding the Fourth Proportional to 141,585.12, 195,377.40 and 84,221.28

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Solution

The fourth proportional to 141,585.12, 195,377.40 and 84,221.28 is: 116,219.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,585.12 : 195,377.40 = 84,221.28 : x
  2. Step 2: Convert to fraction form
    141,585.12/195,377.40 = 84,221.28/x
  3. Step 3: Cross multiply
    141,585.12x = 195,377.40 × 84,221.28
  4. Step 4: Simplify right side
    141,585.12x = 16,454,934,711.07
  5. Step 5: Solve for x
    x = 16,454,934,711.07/141,585.12
  6. Step 6: Final answer
    x = 116,219.38

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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.