Home / 105,473.12-145,516.70-60,118.38

Finding the Fourth Proportional to 105,473.12, 145,516.70 and 60,118.38

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Solution

The fourth proportional to 105,473.12, 145,516.70 and 60,118.38 is: 82,942.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,473.12 : 145,516.70 = 60,118.38 : x
  2. Step 2: Convert to fraction form
    105,473.12/145,516.70 = 60,118.38/x
  3. Step 3: Cross multiply
    105,473.12x = 145,516.70 × 60,118.38
  4. Step 4: Simplify right side
    105,473.12x = 8,748,228,266.95
  5. Step 5: Solve for x
    x = 8,748,228,266.95/105,473.12
  6. Step 6: Final answer
    x = 82,942.73

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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.