Home / 126,947.40-190,421.07-52,016.40

Finding the Fourth Proportional to 126,947.40, 190,421.07 and 52,016.40

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Solution

The fourth proportional to 126,947.40, 190,421.07 and 52,016.40 is: 78,024.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,947.40 : 190,421.07 = 52,016.40 : x
  2. Step 2: Convert to fraction form
    126,947.40/190,421.07 = 52,016.40/x
  3. Step 3: Cross multiply
    126,947.40x = 190,421.07 × 52,016.40
  4. Step 4: Simplify right side
    126,947.40x = 9,905,018,545.55
  5. Step 5: Solve for x
    x = 9,905,018,545.55/126,947.40
  6. Step 6: Final answer
    x = 78,024.59

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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.