Home / 256,135.32-353,434.14-142,962.84

Finding the Fourth Proportional to 256,135.32, 353,434.14 and 142,962.84

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Solution

The fourth proportional to 256,135.32, 353,434.14 and 142,962.84 is: 197,270.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,135.32 : 353,434.14 = 142,962.84 : x
  2. Step 2: Convert to fraction form
    256,135.32/353,434.14 = 142,962.84/x
  3. Step 3: Cross multiply
    256,135.32x = 353,434.14 × 142,962.84
  4. Step 4: Simplify right side
    256,135.32x = 50,527,948,407.36
  5. Step 5: Solve for x
    x = 50,527,948,407.36/256,135.32
  6. Step 6: Final answer
    x = 197,270.52

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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.