Home / 92,868.29-139,255.65-45,486.93

Finding the Fourth Proportional to 92,868.29, 139,255.65 and 45,486.93

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Solution

The fourth proportional to 92,868.29, 139,255.65 and 45,486.93 is: 68,207.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,868.29 : 139,255.65 = 45,486.93 : x
  2. Step 2: Convert to fraction form
    92,868.29/139,255.65 = 45,486.93/x
  3. Step 3: Cross multiply
    92,868.29x = 139,255.65 × 45,486.93
  4. Step 4: Simplify right side
    92,868.29x = 6,334,312,003.65
  5. Step 5: Solve for x
    x = 6,334,312,003.65/92,868.29
  6. Step 6: Final answer
    x = 68,207.48

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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.