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Finding the Fourth Proportional to 213,864.80, 295,125.36 and 117,070.88

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Solution

The fourth proportional to 213,864.80, 295,125.36 and 117,070.88 is: 161,553.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,864.80 : 295,125.36 = 117,070.88 : x
  2. Step 2: Convert to fraction form
    213,864.80/295,125.36 = 117,070.88/x
  3. Step 3: Cross multiply
    213,864.80x = 295,125.36 × 117,070.88
  4. Step 4: Simplify right side
    213,864.80x = 34,550,585,605.52
  5. Step 5: Solve for x
    x = 34,550,585,605.52/213,864.80
  6. Step 6: Final answer
    x = 161,553.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.