Home / 131,660.01-181,690.32-71,230.46

Finding the Fourth Proportional to 131,660.01, 181,690.32 and 71,230.46

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Solution

The fourth proportional to 131,660.01, 181,690.32 and 71,230.46 is: 98,297.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,660.01 : 181,690.32 = 71,230.46 : x
  2. Step 2: Convert to fraction form
    131,660.01/181,690.32 = 71,230.46/x
  3. Step 3: Cross multiply
    131,660.01x = 181,690.32 × 71,230.46
  4. Step 4: Simplify right side
    131,660.01x = 12,941,885,071.15
  5. Step 5: Solve for x
    x = 12,941,885,071.15/131,660.01
  6. Step 6: Final answer
    x = 98,297.77

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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.