Home / 210,249.10-290,237.07-142,364.62

Finding the Fourth Proportional to 210,249.10, 290,237.07 and 142,364.62

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Solution

The fourth proportional to 210,249.10, 290,237.07 and 142,364.62 is: 196,526.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,249.10 : 290,237.07 = 142,364.62 : x
  2. Step 2: Convert to fraction form
    210,249.10/290,237.07 = 142,364.62/x
  3. Step 3: Cross multiply
    210,249.10x = 290,237.07 × 142,364.62
  4. Step 4: Simplify right side
    210,249.10x = 41,319,490,180.46
  5. Step 5: Solve for x
    x = 41,319,490,180.46/210,249.10
  6. Step 6: Final answer
    x = 196,526.36

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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.