Home / 100,823.20-151,138.80-37,626.40

Finding the Fourth Proportional to 100,823.20, 151,138.80 and 37,626.40

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Solution

The fourth proportional to 100,823.20, 151,138.80 and 37,626.40 is: 56,403.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,823.20 : 151,138.80 = 37,626.40 : x
  2. Step 2: Convert to fraction form
    100,823.20/151,138.80 = 37,626.40/x
  3. Step 3: Cross multiply
    100,823.20x = 151,138.80 × 37,626.40
  4. Step 4: Simplify right side
    100,823.20x = 5,686,808,944.32
  5. Step 5: Solve for x
    x = 5,686,808,944.32/100,823.20
  6. Step 6: Final answer
    x = 56,403.77

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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.