Home / 147,945.60-222,057.60-77,875.20

Finding the Fourth Proportional to 147,945.60, 222,057.60 and 77,875.20

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Solution

The fourth proportional to 147,945.60, 222,057.60 and 77,875.20 is: 116,886.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,945.60 : 222,057.60 = 77,875.20 : x
  2. Step 2: Convert to fraction form
    147,945.60/222,057.60 = 77,875.20/x
  3. Step 3: Cross multiply
    147,945.60x = 222,057.60 × 77,875.20
  4. Step 4: Simplify right side
    147,945.60x = 17,292,780,011.52
  5. Step 5: Solve for x
    x = 17,292,780,011.52/147,945.60
  6. Step 6: Final answer
    x = 116,886.07

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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.