Home / 165,015.04-247,520.40-40,357.12

Finding the Fourth Proportional to 165,015.04, 247,520.40 and 40,357.12

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Solution

The fourth proportional to 165,015.04, 247,520.40 and 40,357.12 is: 60,535.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,015.04 : 247,520.40 = 40,357.12 : x
  2. Step 2: Convert to fraction form
    165,015.04/247,520.40 = 40,357.12/x
  3. Step 3: Cross multiply
    165,015.04x = 247,520.40 × 40,357.12
  4. Step 4: Simplify right side
    165,015.04x = 9,989,210,485.25
  5. Step 5: Solve for x
    x = 9,989,210,485.25/165,015.04
  6. Step 6: Final answer
    x = 60,535.15

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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.