Home / 113,266.88-156,315.84-74,960.32

Finding the Fourth Proportional to 113,266.88, 156,315.84 and 74,960.32

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Solution

The fourth proportional to 113,266.88, 156,315.84 and 74,960.32 is: 103,450.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,266.88 : 156,315.84 = 74,960.32 : x
  2. Step 2: Convert to fraction form
    113,266.88/156,315.84 = 74,960.32/x
  3. Step 3: Cross multiply
    113,266.88x = 156,315.84 × 74,960.32
  4. Step 4: Simplify right side
    113,266.88x = 11,717,485,387.47
  5. Step 5: Solve for x
    x = 11,717,485,387.47/113,266.88
  6. Step 6: Final answer
    x = 103,450.24

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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.