Home / 126,026.68-189,013.98-59,438.20

Finding the Fourth Proportional to 126,026.68, 189,013.98 and 59,438.20

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Solution

The fourth proportional to 126,026.68, 189,013.98 and 59,438.20 is: 89,145.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,026.68 : 189,013.98 = 59,438.20 : x
  2. Step 2: Convert to fraction form
    126,026.68/189,013.98 = 59,438.20/x
  3. Step 3: Cross multiply
    126,026.68x = 189,013.98 × 59,438.20
  4. Step 4: Simplify right side
    126,026.68x = 11,234,650,746.04
  5. Step 5: Solve for x
    x = 11,234,650,746.04/126,026.68
  6. Step 6: Final answer
    x = 89,145.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.