Home / 132,816.13-183,286.40-72,386.82

Finding the Fourth Proportional to 132,816.13, 183,286.40 and 72,386.82

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Solution

The fourth proportional to 132,816.13, 183,286.40 and 72,386.82 is: 99,893.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,816.13 : 183,286.40 = 72,386.82 : x
  2. Step 2: Convert to fraction form
    132,816.13/183,286.40 = 72,386.82/x
  3. Step 3: Cross multiply
    132,816.13x = 183,286.40 × 72,386.82
  4. Step 4: Simplify right side
    132,816.13x = 13,267,519,283.31
  5. Step 5: Solve for x
    x = 13,267,519,283.31/132,816.13
  6. Step 6: Final answer
    x = 99,893.89

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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.