Home / 112,837.32-155,710.05-67,540.30

Finding the Fourth Proportional to 112,837.32, 155,710.05 and 67,540.30

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Solution

The fourth proportional to 112,837.32, 155,710.05 and 67,540.30 is: 93,202.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,837.32 : 155,710.05 = 67,540.30 : x
  2. Step 2: Convert to fraction form
    112,837.32/155,710.05 = 67,540.30/x
  3. Step 3: Cross multiply
    112,837.32x = 155,710.05 × 67,540.30
  4. Step 4: Simplify right side
    112,837.32x = 10,516,702,847.46
  5. Step 5: Solve for x
    x = 10,516,702,847.46/112,837.32
  6. Step 6: Final answer
    x = 93,202.35

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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.