Home / 239,963.49-331,151.09-131,064.93

Finding the Fourth Proportional to 239,963.49, 331,151.09 and 131,064.93

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Solution

The fourth proportional to 239,963.49, 331,151.09 and 131,064.93 is: 180,870.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,963.49 : 331,151.09 = 131,064.93 : x
  2. Step 2: Convert to fraction form
    239,963.49/331,151.09 = 131,064.93/x
  3. Step 3: Cross multiply
    239,963.49x = 331,151.09 × 131,064.93
  4. Step 4: Simplify right side
    239,963.49x = 43,402,293,774.95
  5. Step 5: Solve for x
    x = 43,402,293,774.95/239,963.49
  6. Step 6: Final answer
    x = 180,870.41

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1.5x scale

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.