Home / 210,299.85-290,218.19-114,810.57

Finding the Fourth Proportional to 210,299.85, 290,218.19 and 114,810.57

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Solution

The fourth proportional to 210,299.85, 290,218.19 and 114,810.57 is: 158,440.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,299.85 : 290,218.19 = 114,810.57 : x
  2. Step 2: Convert to fraction form
    210,299.85/290,218.19 = 114,810.57/x
  3. Step 3: Cross multiply
    210,299.85x = 290,218.19 × 114,810.57
  4. Step 4: Simplify right side
    210,299.85x = 33,320,115,244.22
  5. Step 5: Solve for x
    x = 33,320,115,244.22/210,299.85
  6. Step 6: Final answer
    x = 158,440.98

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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.