Home / 152,945.80-229,418.70-47,775.40

Finding the Fourth Proportional to 152,945.80, 229,418.70 and 47,775.40

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Solution

The fourth proportional to 152,945.80, 229,418.70 and 47,775.40 is: 71,663.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,945.80 : 229,418.70 = 47,775.40 : x
  2. Step 2: Convert to fraction form
    152,945.80/229,418.70 = 47,775.40/x
  3. Step 3: Cross multiply
    152,945.80x = 229,418.70 × 47,775.40
  4. Step 4: Simplify right side
    152,945.80x = 10,960,570,159.98
  5. Step 5: Solve for x
    x = 10,960,570,159.98/152,945.80
  6. Step 6: Final answer
    x = 71,663.10

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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.