Home / 104,725.80-157,088.70-103,170.60

Finding the Fourth Proportional to 104,725.80, 157,088.70 and 103,170.60

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Solution

The fourth proportional to 104,725.80, 157,088.70 and 103,170.60 is: 154,755.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,725.80 : 157,088.70 = 103,170.60 : x
  2. Step 2: Convert to fraction form
    104,725.80/157,088.70 = 103,170.60/x
  3. Step 3: Cross multiply
    104,725.80x = 157,088.70 × 103,170.60
  4. Step 4: Simplify right side
    104,725.80x = 16,206,935,432.22
  5. Step 5: Solve for x
    x = 16,206,935,432.22/104,725.80
  6. Step 6: Final answer
    x = 154,755.90

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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.