Home / 134,427.60-185,554.80-98,269.20

Finding the Fourth Proportional to 134,427.60, 185,554.80 and 98,269.20

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Solution

The fourth proportional to 134,427.60, 185,554.80 and 98,269.20 is: 135,644.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,427.60 : 185,554.80 = 98,269.20 : x
  2. Step 2: Convert to fraction form
    134,427.60/185,554.80 = 98,269.20/x
  3. Step 3: Cross multiply
    134,427.60x = 185,554.80 × 98,269.20
  4. Step 4: Simplify right side
    134,427.60x = 18,234,321,752.16
  5. Step 5: Solve for x
    x = 18,234,321,752.16/134,427.60
  6. Step 6: Final answer
    x = 135,644.18

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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.