Home / 153,024.30-229,427.10-68,715.45

Finding the Fourth Proportional to 153,024.30, 229,427.10 and 68,715.45

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Solution

The fourth proportional to 153,024.30, 229,427.10 and 68,715.45 is: 103,024.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,024.30 : 229,427.10 = 68,715.45 : x
  2. Step 2: Convert to fraction form
    153,024.30/229,427.10 = 68,715.45/x
  3. Step 3: Cross multiply
    153,024.30x = 229,427.10 × 68,715.45
  4. Step 4: Simplify right side
    153,024.30x = 15,765,186,418.70
  5. Step 5: Solve for x
    x = 15,765,186,418.70/153,024.30
  6. Step 6: Final answer
    x = 103,024.07

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1.5x scale

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.