Home / 102,019.45-140,785.73-58,406.23

Finding the Fourth Proportional to 102,019.45, 140,785.73 and 58,406.23

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Solution

The fourth proportional to 102,019.45, 140,785.73 and 58,406.23 is: 80,599.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,019.45 : 140,785.73 = 58,406.23 : x
  2. Step 2: Convert to fraction form
    102,019.45/140,785.73 = 58,406.23/x
  3. Step 3: Cross multiply
    102,019.45x = 140,785.73 × 58,406.23
  4. Step 4: Simplify right side
    102,019.45x = 8,222,763,482.53
  5. Step 5: Solve for x
    x = 8,222,763,482.53/102,019.45
  6. Step 6: Final answer
    x = 80,599.96

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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.