Home / 147,030.90-220,412.97-53,470.50

Finding the Fourth Proportional to 147,030.90, 220,412.97 and 53,470.50

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Solution

The fourth proportional to 147,030.90, 220,412.97 and 53,470.50 is: 80,157.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,030.90 : 220,412.97 = 53,470.50 : x
  2. Step 2: Convert to fraction form
    147,030.90/220,412.97 = 53,470.50/x
  3. Step 3: Cross multiply
    147,030.90x = 220,412.97 × 53,470.50
  4. Step 4: Simplify right side
    147,030.90x = 11,785,591,712.39
  5. Step 5: Solve for x
    x = 11,785,591,712.39/147,030.90
  6. Step 6: Final answer
    x = 80,157.24

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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.