Home / 144,907.16-217,423.30-78,394.14

Finding the Fourth Proportional to 144,907.16, 217,423.30 and 78,394.14

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Solution

The fourth proportional to 144,907.16, 217,423.30 and 78,394.14 is: 117,625.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,907.16 : 217,423.30 = 78,394.14 : x
  2. Step 2: Convert to fraction form
    144,907.16/217,423.30 = 78,394.14/x
  3. Step 3: Cross multiply
    144,907.16x = 217,423.30 × 78,394.14
  4. Step 4: Simplify right side
    144,907.16x = 17,044,712,619.46
  5. Step 5: Solve for x
    x = 17,044,712,619.46/144,907.16
  6. Step 6: Final answer
    x = 117,625.05

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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.