Home / 256,275.16-384,443.49-106,616.70

Finding the Fourth Proportional to 256,275.16, 384,443.49 and 106,616.70

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Solution

The fourth proportional to 256,275.16, 384,443.49 and 106,616.70 is: 159,937.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,275.16 : 384,443.49 = 106,616.70 : x
  2. Step 2: Convert to fraction form
    256,275.16/384,443.49 = 106,616.70/x
  3. Step 3: Cross multiply
    256,275.16x = 384,443.49 × 106,616.70
  4. Step 4: Simplify right side
    256,275.16x = 40,988,096,240.28
  5. Step 5: Solve for x
    x = 40,988,096,240.28/256,275.16
  6. Step 6: Final answer
    x = 159,937.84

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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.