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Finding the Fourth Proportional to 160,747.52, 221,820.72 and 92,767.32

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Solution

The fourth proportional to 160,747.52, 221,820.72 and 92,767.32 is: 128,012.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,747.52 : 221,820.72 = 92,767.32 : x
  2. Step 2: Convert to fraction form
    160,747.52/221,820.72 = 92,767.32/x
  3. Step 3: Cross multiply
    160,747.52x = 221,820.72 × 92,767.32
  4. Step 4: Simplify right side
    160,747.52x = 20,577,713,714.87
  5. Step 5: Solve for x
    x = 20,577,713,714.87/160,747.52
  6. Step 6: Final answer
    x = 128,012.64

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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.