Home / 132,546.09-182,914.40-72,117.19

Finding the Fourth Proportional to 132,546.09, 182,914.40 and 72,117.19

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Solution

The fourth proportional to 132,546.09, 182,914.40 and 72,117.19 is: 99,522.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,546.09 : 182,914.40 = 72,117.19 : x
  2. Step 2: Convert to fraction form
    132,546.09/182,914.40 = 72,117.19/x
  3. Step 3: Cross multiply
    132,546.09x = 182,914.40 × 72,117.19
  4. Step 4: Simplify right side
    132,546.09x = 13,191,272,538.54
  5. Step 5: Solve for x
    x = 13,191,272,538.54/132,546.09
  6. Step 6: Final answer
    x = 99,522.16

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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.