Home / 256,884.03-354,492.63-142,167.45

Finding the Fourth Proportional to 256,884.03, 354,492.63 and 142,167.45

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Solution

The fourth proportional to 256,884.03, 354,492.63 and 142,167.45 is: 196,187.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,884.03 : 354,492.63 = 142,167.45 : x
  2. Step 2: Convert to fraction form
    256,884.03/354,492.63 = 142,167.45/x
  3. Step 3: Cross multiply
    256,884.03x = 354,492.63 × 142,167.45
  4. Step 4: Simplify right side
    256,884.03x = 50,397,313,250.89
  5. Step 5: Solve for x
    x = 50,397,313,250.89/256,884.03
  6. Step 6: Final answer
    x = 196,187.02

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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.