Home / 126,265.04-189,428.40-42,025.04

Finding the Fourth Proportional to 126,265.04, 189,428.40 and 42,025.04

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Solution

The fourth proportional to 126,265.04, 189,428.40 and 42,025.04 is: 63,047.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,265.04 : 189,428.40 = 42,025.04 : x
  2. Step 2: Convert to fraction form
    126,265.04/189,428.40 = 42,025.04/x
  3. Step 3: Cross multiply
    126,265.04x = 189,428.40 × 42,025.04
  4. Step 4: Simplify right side
    126,265.04x = 7,960,736,087.14
  5. Step 5: Solve for x
    x = 7,960,736,087.14/126,265.04
  6. Step 6: Final answer
    x = 63,047.82

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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.