Home / 112,977.84-155,891.28-70,025.16

Finding the Fourth Proportional to 112,977.84, 155,891.28 and 70,025.16

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Solution

The fourth proportional to 112,977.84, 155,891.28 and 70,025.16 is: 96,623.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,977.84 : 155,891.28 = 70,025.16 : x
  2. Step 2: Convert to fraction form
    112,977.84/155,891.28 = 70,025.16/x
  3. Step 3: Cross multiply
    112,977.84x = 155,891.28 × 70,025.16
  4. Step 4: Simplify right side
    112,977.84x = 10,916,311,824.60
  5. Step 5: Solve for x
    x = 10,916,311,824.60/112,977.84
  6. Step 6: Final answer
    x = 96,623.48

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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.