Home / 147,947.60-222,060.60-77,877.20

Finding the Fourth Proportional to 147,947.60, 222,060.60 and 77,877.20

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Solution

The fourth proportional to 147,947.60, 222,060.60 and 77,877.20 is: 116,889.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,947.60 : 222,060.60 = 77,877.20 : x
  2. Step 2: Convert to fraction form
    147,947.60/222,060.60 = 77,877.20/x
  3. Step 3: Cross multiply
    147,947.60x = 222,060.60 × 77,877.20
  4. Step 4: Simplify right side
    147,947.60x = 17,293,457,758.32
  5. Step 5: Solve for x
    x = 17,293,457,758.32/147,947.60
  6. Step 6: Final answer
    x = 116,889.07

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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.