Home / 134,780.06-185,878.32-107,912.76

Finding the Fourth Proportional to 134,780.06, 185,878.32 and 107,912.76

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Solution

The fourth proportional to 134,780.06, 185,878.32 and 107,912.76 is: 148,825.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,780.06 : 185,878.32 = 107,912.76 : x
  2. Step 2: Convert to fraction form
    134,780.06/185,878.32 = 107,912.76/x
  3. Step 3: Cross multiply
    134,780.06x = 185,878.32 × 107,912.76
  4. Step 4: Simplify right side
    134,780.06x = 20,058,642,535.36
  5. Step 5: Solve for x
    x = 20,058,642,535.36/134,780.06
  6. Step 6: Final answer
    x = 148,825.00

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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.