Home / 210,705.56-290,749.86-124,667.18

Finding the Fourth Proportional to 210,705.56, 290,749.86 and 124,667.18

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Solution

The fourth proportional to 210,705.56, 290,749.86 and 124,667.18 is: 172,026.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,705.56 : 290,749.86 = 124,667.18 : x
  2. Step 2: Convert to fraction form
    210,705.56/290,749.86 = 124,667.18/x
  3. Step 3: Cross multiply
    210,705.56x = 290,749.86 × 124,667.18
  4. Step 4: Simplify right side
    210,705.56x = 36,246,965,131.59
  5. Step 5: Solve for x
    x = 36,246,965,131.59/210,705.56
  6. Step 6: Final answer
    x = 172,026.62

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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.