Home / 125,488.38-173,176.98-68,130.12

Finding the Fourth Proportional to 125,488.38, 173,176.98 and 68,130.12

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Solution

The fourth proportional to 125,488.38, 173,176.98 and 68,130.12 is: 94,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,488.38 : 173,176.98 = 68,130.12 : x
  2. Step 2: Convert to fraction form
    125,488.38/173,176.98 = 68,130.12/x
  3. Step 3: Cross multiply
    125,488.38x = 173,176.98 × 68,130.12
  4. Step 4: Simplify right side
    125,488.38x = 11,798,568,428.64
  5. Step 5: Solve for x
    x = 11,798,568,428.64/125,488.38
  6. Step 6: Final answer
    x = 94,021.20

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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.