Home / 77,210.15-115,835.20-45,216.24

Finding the Fourth Proportional to 77,210.15, 115,835.20 and 45,216.24

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Solution

The fourth proportional to 77,210.15, 115,835.20 and 45,216.24 is: 67,836.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,210.15 : 115,835.20 = 45,216.24 : x
  2. Step 2: Convert to fraction form
    77,210.15/115,835.20 = 45,216.24/x
  3. Step 3: Cross multiply
    77,210.15x = 115,835.20 × 45,216.24
  4. Step 4: Simplify right side
    77,210.15x = 5,237,632,203.65
  5. Step 5: Solve for x
    x = 5,237,632,203.65/77,210.15
  6. Step 6: Final answer
    x = 67,836.06

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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.