Home / 85,492.26-128,280.51-41,156.10

Finding the Fourth Proportional to 85,492.26, 128,280.51 and 41,156.10

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Solution

The fourth proportional to 85,492.26, 128,280.51 and 41,156.10 is: 61,754.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,492.26 : 128,280.51 = 41,156.10 : x
  2. Step 2: Convert to fraction form
    85,492.26/128,280.51 = 41,156.10/x
  3. Step 3: Cross multiply
    85,492.26x = 128,280.51 × 41,156.10
  4. Step 4: Simplify right side
    85,492.26x = 5,279,525,497.61
  5. Step 5: Solve for x
    x = 5,279,525,497.61/85,492.26
  6. Step 6: Final answer
    x = 61,754.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.