Home / 113,260.80-169,891.20-101,985.60

Finding the Fourth Proportional to 113,260.80, 169,891.20 and 101,985.60

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Solution

The fourth proportional to 113,260.80, 169,891.20 and 101,985.60 is: 152,978.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,260.80 : 169,891.20 = 101,985.60 : x
  2. Step 2: Convert to fraction form
    113,260.80/169,891.20 = 101,985.60/x
  3. Step 3: Cross multiply
    113,260.80x = 169,891.20 × 101,985.60
  4. Step 4: Simplify right side
    113,260.80x = 17,326,455,966.72
  5. Step 5: Solve for x
    x = 17,326,455,966.72/113,260.80
  6. Step 6: Final answer
    x = 152,978.40

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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.