Home / 126,457.28-189,779.50-59,897.58

Finding the Fourth Proportional to 126,457.28, 189,779.50 and 59,897.58

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Solution

The fourth proportional to 126,457.28, 189,779.50 and 59,897.58 is: 89,890.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,457.28 : 189,779.50 = 59,897.58 : x
  2. Step 2: Convert to fraction form
    126,457.28/189,779.50 = 59,897.58/x
  3. Step 3: Cross multiply
    126,457.28x = 189,779.50 × 59,897.58
  4. Step 4: Simplify right side
    126,457.28x = 11,367,332,783.61
  5. Step 5: Solve for x
    x = 11,367,332,783.61/126,457.28
  6. Step 6: Final answer
    x = 89,890.69

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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.