Home / 113,274.02-156,321.55-62,284.12

Finding the Fourth Proportional to 113,274.02, 156,321.55 and 62,284.12

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Solution

The fourth proportional to 113,274.02, 156,321.55 and 62,284.12 is: 85,953.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,274.02 : 156,321.55 = 62,284.12 : x
  2. Step 2: Convert to fraction form
    113,274.02/156,321.55 = 62,284.12/x
  3. Step 3: Cross multiply
    113,274.02x = 156,321.55 × 62,284.12
  4. Step 4: Simplify right side
    113,274.02x = 9,736,350,178.79
  5. Step 5: Solve for x
    x = 9,736,350,178.79/113,274.02
  6. Step 6: Final answer
    x = 85,953.96

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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.