Home / 126,494.03-189,679.08-42,225.28

Finding the Fourth Proportional to 126,494.03, 189,679.08 and 42,225.28

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Solution

The fourth proportional to 126,494.03, 189,679.08 and 42,225.28 is: 63,317.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,494.03 : 189,679.08 = 42,225.28 : x
  2. Step 2: Convert to fraction form
    126,494.03/189,679.08 = 42,225.28/x
  3. Step 3: Cross multiply
    126,494.03x = 189,679.08 × 42,225.28
  4. Step 4: Simplify right side
    126,494.03x = 8,009,251,947.29
  5. Step 5: Solve for x
    x = 8,009,251,947.29/126,494.03
  6. Step 6: Final answer
    x = 63,317.23

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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.