Home / 125,412.32-173,066.64-68,823.20

Finding the Fourth Proportional to 125,412.32, 173,066.64 and 68,823.20

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Solution

The fourth proportional to 125,412.32, 173,066.64 and 68,823.20 is: 94,974.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,412.32 : 173,066.64 = 68,823.20 : x
  2. Step 2: Convert to fraction form
    125,412.32/173,066.64 = 68,823.20/x
  3. Step 3: Cross multiply
    125,412.32x = 173,066.64 × 68,823.20
  4. Step 4: Simplify right side
    125,412.32x = 11,910,999,978.05
  5. Step 5: Solve for x
    x = 11,910,999,978.05/125,412.32
  6. Step 6: Final answer
    x = 94,974.72

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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.