Home / 126,358.07-189,473.67-42,088.59

Finding the Fourth Proportional to 126,358.07, 189,473.67 and 42,088.59

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Solution

The fourth proportional to 126,358.07, 189,473.67 and 42,088.59 is: 63,111.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,358.07 : 189,473.67 = 42,088.59 : x
  2. Step 2: Convert to fraction form
    126,358.07/189,473.67 = 42,088.59/x
  3. Step 3: Cross multiply
    126,358.07x = 189,473.67 × 42,088.59
  4. Step 4: Simplify right side
    126,358.07x = 7,974,679,612.43
  5. Step 5: Solve for x
    x = 7,974,679,612.43/126,358.07
  6. Step 6: Final answer
    x = 63,111.76

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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.