Home / 142,355.92-196,445.16-84,250.32

Finding the Fourth Proportional to 142,355.92, 196,445.16 and 84,250.32

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Solution

The fourth proportional to 142,355.92, 196,445.16 and 84,250.32 is: 116,261.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,355.92 : 196,445.16 = 84,250.32 : x
  2. Step 2: Convert to fraction form
    142,355.92/196,445.16 = 84,250.32/x
  3. Step 3: Cross multiply
    142,355.92x = 196,445.16 × 84,250.32
  4. Step 4: Simplify right side
    142,355.92x = 16,550,567,592.45
  5. Step 5: Solve for x
    x = 16,550,567,592.45/142,355.92
  6. Step 6: Final answer
    x = 116,261.88

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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.