Home / 126,526.68-189,725.46-42,256.48

Finding the Fourth Proportional to 126,526.68, 189,725.46 and 42,256.48

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Solution

The fourth proportional to 126,526.68, 189,725.46 and 42,256.48 is: 63,363.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,526.68 : 189,725.46 = 42,256.48 : x
  2. Step 2: Convert to fraction form
    126,526.68/189,725.46 = 42,256.48/x
  3. Step 3: Cross multiply
    126,526.68x = 189,725.46 × 42,256.48
  4. Step 4: Simplify right side
    126,526.68x = 8,017,130,105.98
  5. Step 5: Solve for x
    x = 8,017,130,105.98/126,526.68
  6. Step 6: Final answer
    x = 63,363.16

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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.