Home / 144,619.40-216,929.10-122,530.70

Finding the Fourth Proportional to 144,619.40, 216,929.10 and 122,530.70

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Solution

The fourth proportional to 144,619.40, 216,929.10 and 122,530.70 is: 183,796.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,619.40 : 216,929.10 = 122,530.70 : x
  2. Step 2: Convert to fraction form
    144,619.40/216,929.10 = 122,530.70/x
  3. Step 3: Cross multiply
    144,619.40x = 216,929.10 × 122,530.70
  4. Step 4: Simplify right side
    144,619.40x = 26,580,474,473.37
  5. Step 5: Solve for x
    x = 26,580,474,473.37/144,619.40
  6. Step 6: Final answer
    x = 183,796.05

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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.