Home / 131,277.63-181,408.38-107,395.59

Finding the Fourth Proportional to 131,277.63, 181,408.38 and 107,395.59

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Solution

The fourth proportional to 131,277.63, 181,408.38 and 107,395.59 is: 148,406.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,277.63 : 181,408.38 = 107,395.59 : x
  2. Step 2: Convert to fraction form
    131,277.63/181,408.38 = 107,395.59/x
  3. Step 3: Cross multiply
    131,277.63x = 181,408.38 × 107,395.59
  4. Step 4: Simplify right side
    131,277.63x = 19,482,460,001.04
  5. Step 5: Solve for x
    x = 19,482,460,001.04/131,277.63
  6. Step 6: Final answer
    x = 148,406.55

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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.