Home / 158,948.43-219,257.60-99,228.75

Finding the Fourth Proportional to 158,948.43, 219,257.60 and 99,228.75

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Solution

The fourth proportional to 158,948.43, 219,257.60 and 99,228.75 is: 136,878.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,948.43 : 219,257.60 = 99,228.75 : x
  2. Step 2: Convert to fraction form
    158,948.43/219,257.60 = 99,228.75/x
  3. Step 3: Cross multiply
    158,948.43x = 219,257.60 × 99,228.75
  4. Step 4: Simplify right side
    158,948.43x = 21,756,657,079.86
  5. Step 5: Solve for x
    x = 21,756,657,079.86/158,948.43
  6. Step 6: Final answer
    x = 136,878.72

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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.