Home / 131,329.44-181,207.76-77,587.52

Finding the Fourth Proportional to 131,329.44, 181,207.76 and 77,587.52

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Solution

The fourth proportional to 131,329.44, 181,207.76 and 77,587.52 is: 107,054.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,329.44 : 181,207.76 = 77,587.52 : x
  2. Step 2: Convert to fraction form
    131,329.44/181,207.76 = 77,587.52/x
  3. Step 3: Cross multiply
    131,329.44x = 181,207.76 × 77,587.52
  4. Step 4: Simplify right side
    131,329.44x = 14,059,460,703.16
  5. Step 5: Solve for x
    x = 14,059,460,703.16/131,329.44
  6. Step 6: Final answer
    x = 107,054.90

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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.