Home / 86,388.48-119,225.78-48,151.51

Finding the Fourth Proportional to 86,388.48, 119,225.78 and 48,151.51

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Solution

The fourth proportional to 86,388.48, 119,225.78 and 48,151.51 is: 66,454.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,388.48 : 119,225.78 = 48,151.51 : x
  2. Step 2: Convert to fraction form
    86,388.48/119,225.78 = 48,151.51/x
  3. Step 3: Cross multiply
    86,388.48x = 119,225.78 × 48,151.51
  4. Step 4: Simplify right side
    86,388.48x = 5,740,901,337.93
  5. Step 5: Solve for x
    x = 5,740,901,337.93/86,388.48
  6. Step 6: Final answer
    x = 66,454.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.