Home / 142,574.31-196,776.95-82,134.14

Finding the Fourth Proportional to 142,574.31, 196,776.95 and 82,134.14

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Solution

The fourth proportional to 142,574.31, 196,776.95 and 82,134.14 is: 113,359.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,574.31 : 196,776.95 = 82,134.14 : x
  2. Step 2: Convert to fraction form
    142,574.31/196,776.95 = 82,134.14/x
  3. Step 3: Cross multiply
    142,574.31x = 196,776.95 × 82,134.14
  4. Step 4: Simplify right side
    142,574.31x = 16,162,104,165.52
  5. Step 5: Solve for x
    x = 16,162,104,165.52/142,574.31
  6. Step 6: Final answer
    x = 113,359.16

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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.