Home / 147,254.60-220,553.85-121,010.60

Finding the Fourth Proportional to 147,254.60, 220,553.85 and 121,010.60

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Solution

The fourth proportional to 147,254.60, 220,553.85 and 121,010.60 is: 181,246.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,254.60 : 220,553.85 = 121,010.60 : x
  2. Step 2: Convert to fraction form
    147,254.60/220,553.85 = 121,010.60/x
  3. Step 3: Cross multiply
    147,254.60x = 220,553.85 × 121,010.60
  4. Step 4: Simplify right side
    147,254.60x = 26,689,353,720.81
  5. Step 5: Solve for x
    x = 26,689,353,720.81/147,254.60
  6. Step 6: Final answer
    x = 181,246.32

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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.