Home / 112,541.20-168,811.80-45,937.60

Finding the Fourth Proportional to 112,541.20, 168,811.80 and 45,937.60

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Solution

The fourth proportional to 112,541.20, 168,811.80 and 45,937.60 is: 68,906.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,541.20 : 168,811.80 = 45,937.60 : x
  2. Step 2: Convert to fraction form
    112,541.20/168,811.80 = 45,937.60/x
  3. Step 3: Cross multiply
    112,541.20x = 168,811.80 × 45,937.60
  4. Step 4: Simplify right side
    112,541.20x = 7,754,808,943.68
  5. Step 5: Solve for x
    x = 7,754,808,943.68/112,541.20
  6. Step 6: Final answer
    x = 68,906.40

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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.