Home / 120,970.46-181,475.14-42,107.24

Finding the Fourth Proportional to 120,970.46, 181,475.14 and 42,107.24

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Solution

The fourth proportional to 120,970.46, 181,475.14 and 42,107.24 is: 63,167.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,970.46 : 181,475.14 = 42,107.24 : x
  2. Step 2: Convert to fraction form
    120,970.46/181,475.14 = 42,107.24/x
  3. Step 3: Cross multiply
    120,970.46x = 181,475.14 × 42,107.24
  4. Step 4: Simplify right side
    120,970.46x = 7,641,417,274.01
  5. Step 5: Solve for x
    x = 7,641,417,274.01/120,970.46
  6. Step 6: Final answer
    x = 63,167.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.