Home / 210,153.46-290,010.80-114,659.86

Finding the Fourth Proportional to 210,153.46, 290,010.80 and 114,659.86

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Solution

The fourth proportional to 210,153.46, 290,010.80 and 114,659.86 is: 158,230.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,153.46 : 290,010.80 = 114,659.86 : x
  2. Step 2: Convert to fraction form
    210,153.46/290,010.80 = 114,659.86/x
  3. Step 3: Cross multiply
    210,153.46x = 290,010.80 × 114,659.86
  4. Step 4: Simplify right side
    210,153.46x = 33,252,597,726.49
  5. Step 5: Solve for x
    x = 33,252,597,726.49/210,153.46
  6. Step 6: Final answer
    x = 158,230.07

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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.