Home / 153,363.78-229,967.87-70,186.50

Finding the Fourth Proportional to 153,363.78, 229,967.87 and 70,186.50

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Solution

The fourth proportional to 153,363.78, 229,967.87 and 70,186.50 is: 105,244.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,363.78 : 229,967.87 = 70,186.50 : x
  2. Step 2: Convert to fraction form
    153,363.78/229,967.87 = 70,186.50/x
  3. Step 3: Cross multiply
    153,363.78x = 229,967.87 × 70,186.50
  4. Step 4: Simplify right side
    153,363.78x = 16,140,639,556.82
  5. Step 5: Solve for x
    x = 16,140,639,556.82/153,363.78
  6. Step 6: Final answer
    x = 105,244.14

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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.