Home / 125,441.76-173,098.80-71,709.60

Finding the Fourth Proportional to 125,441.76, 173,098.80 and 71,709.60

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Solution

The fourth proportional to 125,441.76, 173,098.80 and 71,709.60 is: 98,953.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,441.76 : 173,098.80 = 71,709.60 : x
  2. Step 2: Convert to fraction form
    125,441.76/173,098.80 = 71,709.60/x
  3. Step 3: Cross multiply
    125,441.76x = 173,098.80 × 71,709.60
  4. Step 4: Simplify right side
    125,441.76x = 12,412,845,708.48
  5. Step 5: Solve for x
    x = 12,412,845,708.48/125,441.76
  6. Step 6: Final answer
    x = 98,953.06

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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.