Home / 125,378.83-173,019.66-70,187.38

Finding the Fourth Proportional to 125,378.83, 173,019.66 and 70,187.38

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Solution

The fourth proportional to 125,378.83, 173,019.66 and 70,187.38 is: 96,856.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,378.83 : 173,019.66 = 70,187.38 : x
  2. Step 2: Convert to fraction form
    125,378.83/173,019.66 = 70,187.38/x
  3. Step 3: Cross multiply
    125,378.83x = 173,019.66 × 70,187.38
  4. Step 4: Simplify right side
    125,378.83x = 12,143,796,623.89
  5. Step 5: Solve for x
    x = 12,143,796,623.89/125,378.83
  6. Step 6: Final answer
    x = 96,856.83

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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.