Home / 252,421.45-348,342.59-137,702.53

Finding the Fourth Proportional to 252,421.45, 348,342.59 and 137,702.53

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Solution

The fourth proportional to 252,421.45, 348,342.59 and 137,702.53 is: 190,030.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,421.45 : 348,342.59 = 137,702.53 : x
  2. Step 2: Convert to fraction form
    252,421.45/348,342.59 = 137,702.53/x
  3. Step 3: Cross multiply
    252,421.45x = 348,342.59 × 137,702.53
  4. Step 4: Simplify right side
    252,421.45x = 47,967,656,729.44
  5. Step 5: Solve for x
    x = 47,967,656,729.44/252,421.45
  6. Step 6: Final answer
    x = 190,030.04

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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.