Home / 143,657.93-198,248.24-79,998.01

Finding the Fourth Proportional to 143,657.93, 198,248.24 and 79,998.01

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Solution

The fourth proportional to 143,657.93, 198,248.24 and 79,998.01 is: 110,397.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,657.93 : 198,248.24 = 79,998.01 : x
  2. Step 2: Convert to fraction form
    143,657.93/198,248.24 = 79,998.01/x
  3. Step 3: Cross multiply
    143,657.93x = 198,248.24 × 79,998.01
  4. Step 4: Simplify right side
    143,657.93x = 15,859,464,686.00
  5. Step 5: Solve for x
    x = 15,859,464,686.00/143,657.93
  6. Step 6: Final answer
    x = 110,397.42

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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.