Home / 90,730.48-136,179.96-46,388.92

Finding the Fourth Proportional to 90,730.48, 136,179.96 and 46,388.92

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Solution

The fourth proportional to 90,730.48, 136,179.96 and 46,388.92 is: 69,626.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,730.48 : 136,179.96 = 46,388.92 : x
  2. Step 2: Convert to fraction form
    90,730.48/136,179.96 = 46,388.92/x
  3. Step 3: Cross multiply
    90,730.48x = 136,179.96 × 46,388.92
  4. Step 4: Simplify right side
    90,730.48x = 6,317,241,270.04
  5. Step 5: Solve for x
    x = 6,317,241,270.04/90,730.48
  6. Step 6: Final answer
    x = 69,626.45

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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.