Home / 142,917.38-197,315.16-92,018.36

Finding the Fourth Proportional to 142,917.38, 197,315.16 and 92,018.36

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Solution

The fourth proportional to 142,917.38, 197,315.16 and 92,018.36 is: 127,042.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,917.38 : 197,315.16 = 92,018.36 : x
  2. Step 2: Convert to fraction form
    142,917.38/197,315.16 = 92,018.36/x
  3. Step 3: Cross multiply
    142,917.38x = 197,315.16 × 92,018.36
  4. Step 4: Simplify right side
    142,917.38x = 18,156,617,426.34
  5. Step 5: Solve for x
    x = 18,156,617,426.34/142,917.38
  6. Step 6: Final answer
    x = 127,042.75

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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.