Home / 74,025.52-102,156.02-40,491.52

Finding the Fourth Proportional to 74,025.52, 102,156.02 and 40,491.52

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Solution

The fourth proportional to 74,025.52, 102,156.02 and 40,491.52 is: 55,878.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,025.52 : 102,156.02 = 40,491.52 : x
  2. Step 2: Convert to fraction form
    74,025.52/102,156.02 = 40,491.52/x
  3. Step 3: Cross multiply
    74,025.52x = 102,156.02 × 40,491.52
  4. Step 4: Simplify right side
    74,025.52x = 4,136,452,526.95
  5. Step 5: Solve for x
    x = 4,136,452,526.95/74,025.52
  6. Step 6: Final answer
    x = 55,878.74

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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.