Home / 88,924.20-133,386.30-85,813.80

Finding the Fourth Proportional to 88,924.20, 133,386.30 and 85,813.80

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Solution

The fourth proportional to 88,924.20, 133,386.30 and 85,813.80 is: 128,720.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,924.20 : 133,386.30 = 85,813.80 : x
  2. Step 2: Convert to fraction form
    88,924.20/133,386.30 = 85,813.80/x
  3. Step 3: Cross multiply
    88,924.20x = 133,386.30 × 85,813.80
  4. Step 4: Simplify right side
    88,924.20x = 11,446,385,270.94
  5. Step 5: Solve for x
    x = 11,446,385,270.94/88,924.20
  6. Step 6: Final answer
    x = 128,720.70

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1.5x scale

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.