Home / 147,119.28-220,657.86-47,266.62

Finding the Fourth Proportional to 147,119.28, 220,657.86 and 47,266.62

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Solution

The fourth proportional to 147,119.28, 220,657.86 and 47,266.62 is: 70,893.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,119.28 : 220,657.86 = 47,266.62 : x
  2. Step 2: Convert to fraction form
    147,119.28/220,657.86 = 47,266.62/x
  3. Step 3: Cross multiply
    147,119.28x = 220,657.86 × 47,266.62
  4. Step 4: Simplify right side
    147,119.28x = 10,429,751,218.63
  5. Step 5: Solve for x
    x = 10,429,751,218.63/147,119.28
  6. Step 6: Final answer
    x = 70,893.16

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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.