Home / 132,803.13-183,265.90-72,374.30

Finding the Fourth Proportional to 132,803.13, 183,265.90 and 72,374.30

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Solution

The fourth proportional to 132,803.13, 183,265.90 and 72,374.30 is: 99,875.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,803.13 : 183,265.90 = 72,374.30 : x
  2. Step 2: Convert to fraction form
    132,803.13/183,265.90 = 72,374.30/x
  3. Step 3: Cross multiply
    132,803.13x = 183,265.90 × 72,374.30
  4. Step 4: Simplify right side
    132,803.13x = 13,263,741,226.37
  5. Step 5: Solve for x
    x = 13,263,741,226.37/132,803.13
  6. Step 6: Final answer
    x = 99,875.22

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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.