Home / 131,474.32-181,434.47-71,044.94

Finding the Fourth Proportional to 131,474.32, 181,434.47 and 71,044.94

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Solution

The fourth proportional to 131,474.32, 181,434.47 and 71,044.94 is: 98,041.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,474.32 : 181,434.47 = 71,044.94 : x
  2. Step 2: Convert to fraction form
    131,474.32/181,434.47 = 71,044.94/x
  3. Step 3: Cross multiply
    131,474.32x = 181,434.47 × 71,044.94
  4. Step 4: Simplify right side
    131,474.32x = 12,889,999,772.68
  5. Step 5: Solve for x
    x = 12,889,999,772.68/131,474.32
  6. Step 6: Final answer
    x = 98,041.96

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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.