Home / 126,454.29-189,775.01-59,894.58

Finding the Fourth Proportional to 126,454.29, 189,775.01 and 59,894.58

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Solution

The fourth proportional to 126,454.29, 189,775.01 and 59,894.58 is: 89,886.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,454.29 : 189,775.01 = 59,894.58 : x
  2. Step 2: Convert to fraction form
    126,454.29/189,775.01 = 59,894.58/x
  3. Step 3: Cross multiply
    126,454.29x = 189,775.01 × 59,894.58
  4. Step 4: Simplify right side
    126,454.29x = 11,366,494,518.45
  5. Step 5: Solve for x
    x = 11,366,494,518.45/126,454.29
  6. Step 6: Final answer
    x = 89,886.19

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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.