Home / 139,531.32-192,552.27-75,869.16

Finding the Fourth Proportional to 139,531.32, 192,552.27 and 75,869.16

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Solution

The fourth proportional to 139,531.32, 192,552.27 and 75,869.16 is: 104,698.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,531.32 : 192,552.27 = 75,869.16 : x
  2. Step 2: Convert to fraction form
    139,531.32/192,552.27 = 75,869.16/x
  3. Step 3: Cross multiply
    139,531.32x = 192,552.27 × 75,869.16
  4. Step 4: Simplify right side
    139,531.32x = 14,608,778,980.99
  5. Step 5: Solve for x
    x = 14,608,778,980.99/139,531.32
  6. Step 6: Final answer
    x = 104,698.92

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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.