Home / 142,622.70-196,757.52-86,002.62

Finding the Fourth Proportional to 142,622.70, 196,757.52 and 86,002.62

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Solution

The fourth proportional to 142,622.70, 196,757.52 and 86,002.62 is: 118,646.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,622.70 : 196,757.52 = 86,002.62 : x
  2. Step 2: Convert to fraction form
    142,622.70/196,757.52 = 86,002.62/x
  3. Step 3: Cross multiply
    142,622.70x = 196,757.52 × 86,002.62
  4. Step 4: Simplify right side
    142,622.70x = 16,921,662,224.70
  5. Step 5: Solve for x
    x = 16,921,662,224.70/142,622.70
  6. Step 6: Final answer
    x = 118,646.35

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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.