Home / 101,218-151,919.58-51,332.52

Finding the Fourth Proportional to 101,218, 151,919.58 and 51,332.52

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Solution

The fourth proportional to 101,218, 151,919.58 and 51,332.52 is: 77,045.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,218 : 151,919.58 = 51,332.52 : x
  2. Step 2: Convert to fraction form
    101,218/151,919.58 = 51,332.52/x
  3. Step 3: Cross multiply
    101,218x = 151,919.58 × 51,332.52
  4. Step 4: Simplify right side
    101,218x = 7,798,414,878.74
  5. Step 5: Solve for x
    x = 7,798,414,878.74/101,218
  6. Step 6: Final answer
    x = 77,045.73

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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.