Home / 169,869.60-254,804.40-130,624.80

Finding the Fourth Proportional to 169,869.60, 254,804.40 and 130,624.80

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Solution

The fourth proportional to 169,869.60, 254,804.40 and 130,624.80 is: 195,937.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,869.60 : 254,804.40 = 130,624.80 : x
  2. Step 2: Convert to fraction form
    169,869.60/254,804.40 = 130,624.80/x
  3. Step 3: Cross multiply
    169,869.60x = 254,804.40 × 130,624.80
  4. Step 4: Simplify right side
    169,869.60x = 33,283,773,789.12
  5. Step 5: Solve for x
    x = 33,283,773,789.12/169,869.60
  6. Step 6: Final answer
    x = 195,937.20

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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.