Home / 144,986.20-217,220.10-118,547.80

Finding the Fourth Proportional to 144,986.20, 217,220.10 and 118,547.80

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Solution

The fourth proportional to 144,986.20, 217,220.10 and 118,547.80 is: 177,609.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,986.20 : 217,220.10 = 118,547.80 : x
  2. Step 2: Convert to fraction form
    144,986.20/217,220.10 = 118,547.80/x
  3. Step 3: Cross multiply
    144,986.20x = 217,220.10 × 118,547.80
  4. Step 4: Simplify right side
    144,986.20x = 25,750,964,970.78
  5. Step 5: Solve for x
    x = 25,750,964,970.78/144,986.20
  6. Step 6: Final answer
    x = 177,609.77

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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.