Home / 90,752.64-136,045.93-38,165.82

Finding the Fourth Proportional to 90,752.64, 136,045.93 and 38,165.82

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Solution

The fourth proportional to 90,752.64, 136,045.93 and 38,165.82 is: 57,213.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,752.64 : 136,045.93 = 38,165.82 : x
  2. Step 2: Convert to fraction form
    90,752.64/136,045.93 = 38,165.82/x
  3. Step 3: Cross multiply
    90,752.64x = 136,045.93 × 38,165.82
  4. Step 4: Simplify right side
    90,752.64x = 5,192,303,605.05
  5. Step 5: Solve for x
    x = 5,192,303,605.05/90,752.64
  6. Step 6: Final answer
    x = 57,213.81

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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.