Home / 131,794.17-181,879.07-75,210.81

Finding the Fourth Proportional to 131,794.17, 181,879.07 and 75,210.81

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Solution

The fourth proportional to 131,794.17, 181,879.07 and 75,210.81 is: 103,792.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,794.17 : 181,879.07 = 75,210.81 : x
  2. Step 2: Convert to fraction form
    131,794.17/181,879.07 = 75,210.81/x
  3. Step 3: Cross multiply
    131,794.17x = 181,879.07 × 75,210.81
  4. Step 4: Simplify right side
    131,794.17x = 13,679,271,800.69
  5. Step 5: Solve for x
    x = 13,679,271,800.69/131,794.17
  6. Step 6: Final answer
    x = 103,792.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.