Home / 145,176.14-217,764.22-39,995.12

Finding the Fourth Proportional to 145,176.14, 217,764.22 and 39,995.12

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Solution

The fourth proportional to 145,176.14, 217,764.22 and 39,995.12 is: 59,992.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,176.14 : 217,764.22 = 39,995.12 : x
  2. Step 2: Convert to fraction form
    145,176.14/217,764.22 = 39,995.12/x
  3. Step 3: Cross multiply
    145,176.14x = 217,764.22 × 39,995.12
  4. Step 4: Simplify right side
    145,176.14x = 8,709,506,110.61
  5. Step 5: Solve for x
    x = 8,709,506,110.61/145,176.14
  6. Step 6: Final answer
    x = 59,992.68

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1.5x scale

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.