Home / 125,484.81-173,169.35-68,899.83

Finding the Fourth Proportional to 125,484.81, 173,169.35 and 68,899.83

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Solution

The fourth proportional to 125,484.81, 173,169.35 and 68,899.83 is: 95,081.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,484.81 : 173,169.35 = 68,899.83 : x
  2. Step 2: Convert to fraction form
    125,484.81/173,169.35 = 68,899.83/x
  3. Step 3: Cross multiply
    125,484.81x = 173,169.35 × 68,899.83
  4. Step 4: Simplify right side
    125,484.81x = 11,931,337,565.86
  5. Step 5: Solve for x
    x = 11,931,337,565.86/125,484.81
  6. Step 6: Final answer
    x = 95,081.93

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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.