Home / 126,876.60-175,096.80-72,444.84

Finding the Fourth Proportional to 126,876.60, 175,096.80 and 72,444.84

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Solution

The fourth proportional to 126,876.60, 175,096.80 and 72,444.84 is: 99,977.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,876.60 : 175,096.80 = 72,444.84 : x
  2. Step 2: Convert to fraction form
    126,876.60/175,096.80 = 72,444.84/x
  3. Step 3: Cross multiply
    126,876.60x = 175,096.80 × 72,444.84
  4. Step 4: Simplify right side
    126,876.60x = 12,684,859,660.51
  5. Step 5: Solve for x
    x = 12,684,859,660.51/126,876.60
  6. Step 6: Final answer
    x = 99,977.93

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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.