Home / 91,276.45-136,904.29-24,721.77

Finding the Fourth Proportional to 91,276.45, 136,904.29 and 24,721.77

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Solution

The fourth proportional to 91,276.45, 136,904.29 and 24,721.77 is: 37,079.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,276.45 : 136,904.29 = 24,721.77 : x
  2. Step 2: Convert to fraction form
    91,276.45/136,904.29 = 24,721.77/x
  3. Step 3: Cross multiply
    91,276.45x = 136,904.29 × 24,721.77
  4. Step 4: Simplify right side
    91,276.45x = 3,384,516,369.39
  5. Step 5: Solve for x
    x = 3,384,516,369.39/91,276.45
  6. Step 6: Final answer
    x = 37,079.84

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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.