Home / 153,025.80-229,429.35-68,716.95

Finding the Fourth Proportional to 153,025.80, 229,429.35 and 68,716.95

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Solution

The fourth proportional to 153,025.80, 229,429.35 and 68,716.95 is: 103,026.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,025.80 : 229,429.35 = 68,716.95 : x
  2. Step 2: Convert to fraction form
    153,025.80/229,429.35 = 68,716.95/x
  3. Step 3: Cross multiply
    153,025.80x = 229,429.35 × 68,716.95
  4. Step 4: Simplify right side
    153,025.80x = 15,765,685,172.48
  5. Step 5: Solve for x
    x = 15,765,685,172.48/153,025.80
  6. Step 6: Final answer
    x = 103,026.32

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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.