Home / 210,454.18-290,415.93-114,942.42

Finding the Fourth Proportional to 210,454.18, 290,415.93 and 114,942.42

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Solution

The fourth proportional to 210,454.18, 290,415.93 and 114,942.42 is: 158,614.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,454.18 : 290,415.93 = 114,942.42 : x
  2. Step 2: Convert to fraction form
    210,454.18/290,415.93 = 114,942.42/x
  3. Step 3: Cross multiply
    210,454.18x = 290,415.93 × 114,942.42
  4. Step 4: Simplify right side
    210,454.18x = 33,381,109,800.75
  5. Step 5: Solve for x
    x = 33,381,109,800.75/210,454.18
  6. Step 6: Final answer
    x = 158,614.62

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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.