Home / 169,130.15-233,238.55-101,136.05

Finding the Fourth Proportional to 169,130.15, 233,238.55 and 101,136.05

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Solution

The fourth proportional to 169,130.15, 233,238.55 and 101,136.05 is: 139,471.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,130.15 : 233,238.55 = 101,136.05 : x
  2. Step 2: Convert to fraction form
    169,130.15/233,238.55 = 101,136.05/x
  3. Step 3: Cross multiply
    169,130.15x = 233,238.55 × 101,136.05
  4. Step 4: Simplify right side
    169,130.15x = 23,588,825,654.73
  5. Step 5: Solve for x
    x = 23,588,825,654.73/169,130.15
  6. Step 6: Final answer
    x = 139,471.44

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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.