Home / 142,739.04-196,900.52-112,412.64

Finding the Fourth Proportional to 142,739.04, 196,900.52 and 112,412.64

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Solution

The fourth proportional to 142,739.04, 196,900.52 and 112,412.64 is: 155,066.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,739.04 : 196,900.52 = 112,412.64 : x
  2. Step 2: Convert to fraction form
    142,739.04/196,900.52 = 112,412.64/x
  3. Step 3: Cross multiply
    142,739.04x = 196,900.52 × 112,412.64
  4. Step 4: Simplify right side
    142,739.04x = 22,134,107,270.57
  5. Step 5: Solve for x
    x = 22,134,107,270.57/142,739.04
  6. Step 6: Final answer
    x = 155,066.95

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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.