Home / 144,948.40-217,422.60-70,104.40

Finding the Fourth Proportional to 144,948.40, 217,422.60 and 70,104.40

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Solution

The fourth proportional to 144,948.40, 217,422.60 and 70,104.40 is: 105,156.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,948.40 : 217,422.60 = 70,104.40 : x
  2. Step 2: Convert to fraction form
    144,948.40/217,422.60 = 70,104.40/x
  3. Step 3: Cross multiply
    144,948.40x = 217,422.60 × 70,104.40
  4. Step 4: Simplify right side
    144,948.40x = 15,242,280,919.44
  5. Step 5: Solve for x
    x = 15,242,280,919.44/144,948.40
  6. Step 6: Final answer
    x = 105,156.60

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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.