Home / 104,780.64-157,168.08-45,616.20

Finding the Fourth Proportional to 104,780.64, 157,168.08 and 45,616.20

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Solution

The fourth proportional to 104,780.64, 157,168.08 and 45,616.20 is: 68,423.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,780.64 : 157,168.08 = 45,616.20 : x
  2. Step 2: Convert to fraction form
    104,780.64/157,168.08 = 45,616.20/x
  3. Step 3: Cross multiply
    104,780.64x = 157,168.08 × 45,616.20
  4. Step 4: Simplify right side
    104,780.64x = 7,169,410,570.90
  5. Step 5: Solve for x
    x = 7,169,410,570.90/104,780.64
  6. Step 6: Final answer
    x = 68,423.05

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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.