Home / 238,703.07-329,411.22-131,279.91

Finding the Fourth Proportional to 238,703.07, 329,411.22 and 131,279.91

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Solution

The fourth proportional to 238,703.07, 329,411.22 and 131,279.91 is: 181,166.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,703.07 : 329,411.22 = 131,279.91 : x
  2. Step 2: Convert to fraction form
    238,703.07/329,411.22 = 131,279.91/x
  3. Step 3: Cross multiply
    238,703.07x = 329,411.22 × 131,279.91
  4. Step 4: Simplify right side
    238,703.07x = 43,245,075,314.59
  5. Step 5: Solve for x
    x = 43,245,075,314.59/238,703.07
  6. Step 6: Final answer
    x = 181,166.82

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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.