Home / 131,794.32-181,877.67-71,366.34

Finding the Fourth Proportional to 131,794.32, 181,877.67 and 71,366.34

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Solution

The fourth proportional to 131,794.32, 181,877.67 and 71,366.34 is: 98,486.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,794.32 : 181,877.67 = 71,366.34 : x
  2. Step 2: Convert to fraction form
    131,794.32/181,877.67 = 71,366.34/x
  3. Step 3: Cross multiply
    131,794.32x = 181,877.67 × 71,366.34
  4. Step 4: Simplify right side
    131,794.32x = 12,979,943,635.63
  5. Step 5: Solve for x
    x = 12,979,943,635.63/131,794.32
  6. Step 6: Final answer
    x = 98,486.37

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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.