Home / 153,341.20-229,795.80-121,805.20

Finding the Fourth Proportional to 153,341.20, 229,795.80 and 121,805.20

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Solution

The fourth proportional to 153,341.20, 229,795.80 and 121,805.20 is: 182,536.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,341.20 : 229,795.80 = 121,805.20 : x
  2. Step 2: Convert to fraction form
    153,341.20/229,795.80 = 121,805.20/x
  3. Step 3: Cross multiply
    153,341.20x = 229,795.80 × 121,805.20
  4. Step 4: Simplify right side
    153,341.20x = 27,990,323,378.16
  5. Step 5: Solve for x
    x = 27,990,323,378.16/153,341.20
  6. Step 6: Final answer
    x = 182,536.22

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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.