Home / 126,666.52-189,999.66-60,070.34

Finding the Fourth Proportional to 126,666.52, 189,999.66 and 60,070.34

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Solution

The fourth proportional to 126,666.52, 189,999.66 and 60,070.34 is: 90,105.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,666.52 : 189,999.66 = 60,070.34 : x
  2. Step 2: Convert to fraction form
    126,666.52/189,999.66 = 60,070.34/x
  3. Step 3: Cross multiply
    126,666.52x = 189,999.66 × 60,070.34
  4. Step 4: Simplify right side
    126,666.52x = 11,413,344,176.08
  5. Step 5: Solve for x
    x = 11,413,344,176.08/126,666.52
  6. Step 6: Final answer
    x = 90,105.45

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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.