Home / 104,920.20-157,380.30-42,590.70

Finding the Fourth Proportional to 104,920.20, 157,380.30 and 42,590.70

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Solution

The fourth proportional to 104,920.20, 157,380.30 and 42,590.70 is: 63,886.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,920.20 : 157,380.30 = 42,590.70 : x
  2. Step 2: Convert to fraction form
    104,920.20/157,380.30 = 42,590.70/x
  3. Step 3: Cross multiply
    104,920.20x = 157,380.30 × 42,590.70
  4. Step 4: Simplify right side
    104,920.20x = 6,702,937,143.21
  5. Step 5: Solve for x
    x = 6,702,937,143.21/104,920.20
  6. Step 6: Final answer
    x = 63,886.05

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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.