Home / 132,602.30-182,991.93-72,172.79

Finding the Fourth Proportional to 132,602.30, 182,991.93 and 72,172.79

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Solution

The fourth proportional to 132,602.30, 182,991.93 and 72,172.79 is: 99,598.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,602.30 : 182,991.93 = 72,172.79 : x
  2. Step 2: Convert to fraction form
    132,602.30/182,991.93 = 72,172.79/x
  3. Step 3: Cross multiply
    132,602.30x = 182,991.93 × 72,172.79
  4. Step 4: Simplify right side
    132,602.30x = 13,207,038,753.43
  5. Step 5: Solve for x
    x = 13,207,038,753.43/132,602.30
  6. Step 6: Final answer
    x = 99,598.87

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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.