Home / 179,688.97-247,984.70-99,123.54

Finding the Fourth Proportional to 179,688.97, 247,984.70 and 99,123.54

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Solution

The fourth proportional to 179,688.97, 247,984.70 and 99,123.54 is: 136,798.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,688.97 : 247,984.70 = 99,123.54 : x
  2. Step 2: Convert to fraction form
    179,688.97/247,984.70 = 99,123.54/x
  3. Step 3: Cross multiply
    179,688.97x = 247,984.70 × 99,123.54
  4. Step 4: Simplify right side
    179,688.97x = 24,581,121,329.84
  5. Step 5: Solve for x
    x = 24,581,121,329.84/179,688.97
  6. Step 6: Final answer
    x = 136,798.16

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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.