Home / 132,547.09-182,915.78-72,118.19

Finding the Fourth Proportional to 132,547.09, 182,915.78 and 72,118.19

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Solution

The fourth proportional to 132,547.09, 182,915.78 and 72,118.19 is: 99,523.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,547.09 : 182,915.78 = 72,118.19 : x
  2. Step 2: Convert to fraction form
    132,547.09/182,915.78 = 72,118.19/x
  3. Step 3: Cross multiply
    132,547.09x = 182,915.78 × 72,118.19
  4. Step 4: Simplify right side
    132,547.09x = 13,191,554,976.04
  5. Step 5: Solve for x
    x = 13,191,554,976.04/132,547.09
  6. Step 6: Final answer
    x = 99,523.54

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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.