Home / 131,653.44-181,678.24-75,063.52

Finding the Fourth Proportional to 131,653.44, 181,678.24 and 75,063.52

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Solution

The fourth proportional to 131,653.44, 181,678.24 and 75,063.52 is: 103,585.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,653.44 : 181,678.24 = 75,063.52 : x
  2. Step 2: Convert to fraction form
    131,653.44/181,678.24 = 75,063.52/x
  3. Step 3: Cross multiply
    131,653.44x = 181,678.24 × 75,063.52
  4. Step 4: Simplify right side
    131,653.44x = 13,637,408,201.80
  5. Step 5: Solve for x
    x = 13,637,408,201.80/131,653.44
  6. Step 6: Final answer
    x = 103,585.66

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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.