Home / 113,068.12-156,022.44-65,336.84

Finding the Fourth Proportional to 113,068.12, 156,022.44 and 65,336.84

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Solution

The fourth proportional to 113,068.12, 156,022.44 and 65,336.84 is: 90,158.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,068.12 : 156,022.44 = 65,336.84 : x
  2. Step 2: Convert to fraction form
    113,068.12/156,022.44 = 65,336.84/x
  3. Step 3: Cross multiply
    113,068.12x = 156,022.44 × 65,336.84
  4. Step 4: Simplify right side
    113,068.12x = 10,194,013,198.69
  5. Step 5: Solve for x
    x = 10,194,013,198.69/113,068.12
  6. Step 6: Final answer
    x = 90,158.16

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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.