Home / 147,247.40-220,873.02-42,069.80

Finding the Fourth Proportional to 147,247.40, 220,873.02 and 42,069.80

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Solution

The fourth proportional to 147,247.40, 220,873.02 and 42,069.80 is: 63,105.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,247.40 : 220,873.02 = 42,069.80 : x
  2. Step 2: Convert to fraction form
    147,247.40/220,873.02 = 42,069.80/x
  3. Step 3: Cross multiply
    147,247.40x = 220,873.02 × 42,069.80
  4. Step 4: Simplify right side
    147,247.40x = 9,292,083,776.80
  5. Step 5: Solve for x
    x = 9,292,083,776.80/147,247.40
  6. Step 6: Final answer
    x = 63,105.25

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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.