Home / 147,041.40-220,652.82-68,140.92

Finding the Fourth Proportional to 147,041.40, 220,652.82 and 68,140.92

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Solution

The fourth proportional to 147,041.40, 220,652.82 and 68,140.92 is: 102,253.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,041.40 : 220,652.82 = 68,140.92 : x
  2. Step 2: Convert to fraction form
    147,041.40/220,652.82 = 68,140.92/x
  3. Step 3: Cross multiply
    147,041.40x = 220,652.82 × 68,140.92
  4. Step 4: Simplify right side
    147,041.40x = 15,035,486,155.39
  5. Step 5: Solve for x
    x = 15,035,486,155.39/147,041.40
  6. Step 6: Final answer
    x = 102,253.42

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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.