Home / 147,104.48-220,689.50-53,610.23

Finding the Fourth Proportional to 147,104.48, 220,689.50 and 53,610.23

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Solution

The fourth proportional to 147,104.48, 220,689.50 and 53,610.23 is: 80,427.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,104.48 : 220,689.50 = 53,610.23 : x
  2. Step 2: Convert to fraction form
    147,104.48/220,689.50 = 53,610.23/x
  3. Step 3: Cross multiply
    147,104.48x = 220,689.50 × 53,610.23
  4. Step 4: Simplify right side
    147,104.48x = 11,831,214,853.59
  5. Step 5: Solve for x
    x = 11,831,214,853.59/147,104.48
  6. Step 6: Final answer
    x = 80,427.29

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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.