Home / 90,737.28-136,017.21-40,829.94

Finding the Fourth Proportional to 90,737.28, 136,017.21 and 40,829.94

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Solution

The fourth proportional to 90,737.28, 136,017.21 and 40,829.94 is: 61,204.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,737.28 : 136,017.21 = 40,829.94 : x
  2. Step 2: Convert to fraction form
    90,737.28/136,017.21 = 40,829.94/x
  3. Step 3: Cross multiply
    90,737.28x = 136,017.21 × 40,829.94
  4. Step 4: Simplify right side
    90,737.28x = 5,553,574,523.27
  5. Step 5: Solve for x
    x = 5,553,574,523.27/90,737.28
  6. Step 6: Final answer
    x = 61,204.99

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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.