Home / 89,228.34-123,070.59-75,778.29

Finding the Fourth Proportional to 89,228.34, 123,070.59 and 75,778.29

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Solution

The fourth proportional to 89,228.34, 123,070.59 and 75,778.29 is: 104,519.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,228.34 : 123,070.59 = 75,778.29 : x
  2. Step 2: Convert to fraction form
    89,228.34/123,070.59 = 75,778.29/x
  3. Step 3: Cross multiply
    89,228.34x = 123,070.59 × 75,778.29
  4. Step 4: Simplify right side
    89,228.34x = 9,326,078,859.49
  5. Step 5: Solve for x
    x = 9,326,078,859.49/89,228.34
  6. Step 6: Final answer
    x = 104,519.25

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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.