Home / 142,572.04-196,764.06-82,144.96

Finding the Fourth Proportional to 142,572.04, 196,764.06 and 82,144.96

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Solution

The fourth proportional to 142,572.04, 196,764.06 and 82,144.96 is: 113,368.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,572.04 : 196,764.06 = 82,144.96 : x
  2. Step 2: Convert to fraction form
    142,572.04/196,764.06 = 82,144.96/x
  3. Step 3: Cross multiply
    142,572.04x = 196,764.06 × 82,144.96
  4. Step 4: Simplify right side
    142,572.04x = 16,163,175,838.14
  5. Step 5: Solve for x
    x = 16,163,175,838.14/142,572.04
  6. Step 6: Final answer
    x = 113,368.48

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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.