Home / 202,187.24-279,033.86-111,560.69

Finding the Fourth Proportional to 202,187.24, 279,033.86 and 111,560.69

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Solution

The fourth proportional to 202,187.24, 279,033.86 and 111,560.69 is: 153,962.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,187.24 : 279,033.86 = 111,560.69 : x
  2. Step 2: Convert to fraction form
    202,187.24/279,033.86 = 111,560.69/x
  3. Step 3: Cross multiply
    202,187.24x = 279,033.86 × 111,560.69
  4. Step 4: Simplify right side
    202,187.24x = 31,129,210,931.45
  5. Step 5: Solve for x
    x = 31,129,210,931.45/202,187.24
  6. Step 6: Final answer
    x = 153,962.29

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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.