Home / 140,750.38-194,228.26-77,075.88

Finding the Fourth Proportional to 140,750.38, 194,228.26 and 77,075.88

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Solution

The fourth proportional to 140,750.38, 194,228.26 and 77,075.88 is: 106,360.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,750.38 : 194,228.26 = 77,075.88 : x
  2. Step 2: Convert to fraction form
    140,750.38/194,228.26 = 77,075.88/x
  3. Step 3: Cross multiply
    140,750.38x = 194,228.26 × 77,075.88
  4. Step 4: Simplify right side
    140,750.38x = 14,970,314,060.37
  5. Step 5: Solve for x
    x = 14,970,314,060.37/140,750.38
  6. Step 6: Final answer
    x = 106,360.74

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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.