Home / 142,226.93-196,265.01-84,930.90

Finding the Fourth Proportional to 142,226.93, 196,265.01 and 84,930.90

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Solution

The fourth proportional to 142,226.93, 196,265.01 and 84,930.90 is: 117,199.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,226.93 : 196,265.01 = 84,930.90 : x
  2. Step 2: Convert to fraction form
    142,226.93/196,265.01 = 84,930.90/x
  3. Step 3: Cross multiply
    142,226.93x = 196,265.01 × 84,930.90
  4. Step 4: Simplify right side
    142,226.93x = 16,668,963,937.81
  5. Step 5: Solve for x
    x = 16,668,963,937.81/142,226.93
  6. Step 6: Final answer
    x = 117,199.78

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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.