Home / 153,010.20-229,688.10-118,104.60

Finding the Fourth Proportional to 153,010.20, 229,688.10 and 118,104.60

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Solution

The fourth proportional to 153,010.20, 229,688.10 and 118,104.60 is: 177,290.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,010.20 : 229,688.10 = 118,104.60 : x
  2. Step 2: Convert to fraction form
    153,010.20/229,688.10 = 118,104.60/x
  3. Step 3: Cross multiply
    153,010.20x = 229,688.10 × 118,104.60
  4. Step 4: Simplify right side
    153,010.20x = 27,127,221,175.26
  5. Step 5: Solve for x
    x = 27,127,221,175.26/153,010.20
  6. Step 6: Final answer
    x = 177,290.28

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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.