Home / 112,385.75-155,095.38-67,090.02

Finding the Fourth Proportional to 112,385.75, 155,095.38 and 67,090.02

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Solution

The fourth proportional to 112,385.75, 155,095.38 and 67,090.02 is: 92,586.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,385.75 : 155,095.38 = 67,090.02 : x
  2. Step 2: Convert to fraction form
    112,385.75/155,095.38 = 67,090.02/x
  3. Step 3: Cross multiply
    112,385.75x = 155,095.38 × 67,090.02
  4. Step 4: Simplify right side
    112,385.75x = 10,405,352,146.11
  5. Step 5: Solve for x
    x = 10,405,352,146.11/112,385.75
  6. Step 6: Final answer
    x = 92,586.05

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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.