Home / 179,712.48-247,999.26-99,140.08

Finding the Fourth Proportional to 179,712.48, 247,999.26 and 99,140.08

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Solution

The fourth proportional to 179,712.48, 247,999.26 and 99,140.08 is: 136,811.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,712.48 : 247,999.26 = 99,140.08 : x
  2. Step 2: Convert to fraction form
    179,712.48/247,999.26 = 99,140.08/x
  3. Step 3: Cross multiply
    179,712.48x = 247,999.26 × 99,140.08
  4. Step 4: Simplify right side
    179,712.48x = 24,586,666,476.34
  5. Step 5: Solve for x
    x = 24,586,666,476.34/179,712.48
  6. Step 6: Final answer
    x = 136,811.12

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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.