Home / 131,602.35-181,611.80-71,173.01

Finding the Fourth Proportional to 131,602.35, 181,611.80 and 71,173.01

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Solution

The fourth proportional to 131,602.35, 181,611.80 and 71,173.01 is: 98,219.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,602.35 : 181,611.80 = 71,173.01 : x
  2. Step 2: Convert to fraction form
    131,602.35/181,611.80 = 71,173.01/x
  3. Step 3: Cross multiply
    131,602.35x = 181,611.80 × 71,173.01
  4. Step 4: Simplify right side
    131,602.35x = 12,925,857,727.39
  5. Step 5: Solve for x
    x = 12,925,857,727.39/131,602.35
  6. Step 6: Final answer
    x = 98,219.05

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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.