Home / 210,305.07-290,186.75-124,252.16

Finding the Fourth Proportional to 210,305.07, 290,186.75 and 124,252.16

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Solution

The fourth proportional to 210,305.07, 290,186.75 and 124,252.16 is: 171,447.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,305.07 : 290,186.75 = 124,252.16 : x
  2. Step 2: Convert to fraction form
    210,305.07/290,186.75 = 124,252.16/x
  3. Step 3: Cross multiply
    210,305.07x = 290,186.75 × 124,252.16
  4. Step 4: Simplify right side
    210,305.07x = 36,056,328,418.69
  5. Step 5: Solve for x
    x = 36,056,328,418.69/210,305.07
  6. Step 6: Final answer
    x = 171,447.74

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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.