Home / 102,074.66-153,143.09-52,189.77

Finding the Fourth Proportional to 102,074.66, 153,143.09 and 52,189.77

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Solution

The fourth proportional to 102,074.66, 153,143.09 and 52,189.77 is: 78,300.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,074.66 : 153,143.09 = 52,189.77 : x
  2. Step 2: Convert to fraction form
    102,074.66/153,143.09 = 52,189.77/x
  3. Step 3: Cross multiply
    102,074.66x = 153,143.09 × 52,189.77
  4. Step 4: Simplify right side
    102,074.66x = 7,992,502,774.66
  5. Step 5: Solve for x
    x = 7,992,502,774.66/102,074.66
  6. Step 6: Final answer
    x = 78,300.56

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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.