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Finding the Fourth Proportional to 188,117.12, 282,224.28 and 69,822.20

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Solution

The fourth proportional to 188,117.12, 282,224.28 and 69,822.20 is: 104,751.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,117.12 : 282,224.28 = 69,822.20 : x
  2. Step 2: Convert to fraction form
    188,117.12/282,224.28 = 69,822.20/x
  3. Step 3: Cross multiply
    188,117.12x = 282,224.28 × 69,822.20
  4. Step 4: Simplify right side
    188,117.12x = 19,705,520,123.02
  5. Step 5: Solve for x
    x = 19,705,520,123.02/188,117.12
  6. Step 6: Final answer
    x = 104,751.34

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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.