Home / 153,309.76-229,964.72-68,971.44

Finding the Fourth Proportional to 153,309.76, 229,964.72 and 68,971.44

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Solution

The fourth proportional to 153,309.76, 229,964.72 and 68,971.44 is: 103,457.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,309.76 : 229,964.72 = 68,971.44 : x
  2. Step 2: Convert to fraction form
    153,309.76/229,964.72 = 68,971.44/x
  3. Step 3: Cross multiply
    153,309.76x = 229,964.72 × 68,971.44
  4. Step 4: Simplify right side
    153,309.76x = 15,860,997,887.60
  5. Step 5: Solve for x
    x = 15,860,997,887.60/153,309.76
  6. Step 6: Final answer
    x = 103,457.20

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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.