Home / 170,900.47-256,184.08-68,287.22

Finding the Fourth Proportional to 170,900.47, 256,184.08 and 68,287.22

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Solution

The fourth proportional to 170,900.47, 256,184.08 and 68,287.22 is: 102,364.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,900.47 : 256,184.08 = 68,287.22 : x
  2. Step 2: Convert to fraction form
    170,900.47/256,184.08 = 68,287.22/x
  3. Step 3: Cross multiply
    170,900.47x = 256,184.08 × 68,287.22
  4. Step 4: Simplify right side
    170,900.47x = 17,494,098,631.46
  5. Step 5: Solve for x
    x = 17,494,098,631.46/170,900.47
  6. Step 6: Final answer
    x = 102,364.25

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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.