Home / 180,221.19-248,700.81-99,646.65

Finding the Fourth Proportional to 180,221.19, 248,700.81 and 99,646.65

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Solution

The fourth proportional to 180,221.19, 248,700.81 and 99,646.65 is: 137,509.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,221.19 : 248,700.81 = 99,646.65 : x
  2. Step 2: Convert to fraction form
    180,221.19/248,700.81 = 99,646.65/x
  3. Step 3: Cross multiply
    180,221.19x = 248,700.81 × 99,646.65
  4. Step 4: Simplify right side
    180,221.19x = 24,782,202,568.79
  5. Step 5: Solve for x
    x = 24,782,202,568.79/180,221.19
  6. Step 6: Final answer
    x = 137,509.93

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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.