Home / 105,060.12-144,977.08-59,731.71

Finding the Fourth Proportional to 105,060.12, 144,977.08 and 59,731.71

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Solution

The fourth proportional to 105,060.12, 144,977.08 and 59,731.71 is: 82,426.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,060.12 : 144,977.08 = 59,731.71 : x
  2. Step 2: Convert to fraction form
    105,060.12/144,977.08 = 59,731.71/x
  3. Step 3: Cross multiply
    105,060.12x = 144,977.08 × 59,731.71
  4. Step 4: Simplify right side
    105,060.12x = 8,659,728,899.21
  5. Step 5: Solve for x
    x = 8,659,728,899.21/105,060.12
  6. Step 6: Final answer
    x = 82,426.41

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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.