Home / 132,491.21-182,840.22-72,063.18

Finding the Fourth Proportional to 132,491.21, 182,840.22 and 72,063.18

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Solution

The fourth proportional to 132,491.21, 182,840.22 and 72,063.18 is: 99,448.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,491.21 : 182,840.22 = 72,063.18 : x
  2. Step 2: Convert to fraction form
    132,491.21/182,840.22 = 72,063.18/x
  3. Step 3: Cross multiply
    132,491.21x = 182,840.22 × 72,063.18
  4. Step 4: Simplify right side
    132,491.21x = 13,176,047,685.10
  5. Step 5: Solve for x
    x = 13,176,047,685.10/132,491.21
  6. Step 6: Final answer
    x = 99,448.47

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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.