Home / 143,657.32-198,247.09-83,263.00

Finding the Fourth Proportional to 143,657.32, 198,247.09 and 83,263.00

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Solution

The fourth proportional to 143,657.32, 198,247.09 and 83,263.00 is: 114,902.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,657.32 : 198,247.09 = 83,263.00 : x
  2. Step 2: Convert to fraction form
    143,657.32/198,247.09 = 83,263.00/x
  3. Step 3: Cross multiply
    143,657.32x = 198,247.09 × 83,263.00
  4. Step 4: Simplify right side
    143,657.32x = 16,506,646,847.54
  5. Step 5: Solve for x
    x = 16,506,646,847.54/143,657.32
  6. Step 6: Final answer
    x = 114,902.93

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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.