Home / 170,968.79-256,527-92,067.30

Finding the Fourth Proportional to 170,968.79, 256,527 and 92,067.30

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Solution

The fourth proportional to 170,968.79, 256,527 and 92,067.30 is: 138,140.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,968.79 : 256,527 = 92,067.30 : x
  2. Step 2: Convert to fraction form
    170,968.79/256,527 = 92,067.30/x
  3. Step 3: Cross multiply
    170,968.79x = 256,527 × 92,067.30
  4. Step 4: Simplify right side
    170,968.79x = 23,617,748,267.10
  5. Step 5: Solve for x
    x = 23,617,748,267.10/170,968.79
  6. Step 6: Final answer
    x = 138,140.70

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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.