Home / 98,388.15-135,763.18-55,947.59

Finding the Fourth Proportional to 98,388.15, 135,763.18 and 55,947.59

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Solution

The fourth proportional to 98,388.15, 135,763.18 and 55,947.59 is: 77,200.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,388.15 : 135,763.18 = 55,947.59 : x
  2. Step 2: Convert to fraction form
    98,388.15/135,763.18 = 55,947.59/x
  3. Step 3: Cross multiply
    98,388.15x = 135,763.18 × 55,947.59
  4. Step 4: Simplify right side
    98,388.15x = 7,595,623,071.14
  5. Step 5: Solve for x
    x = 7,595,623,071.14/98,388.15
  6. Step 6: Final answer
    x = 77,200.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.