Home / 210,162.96-290,017.13-114,667.61

Finding the Fourth Proportional to 210,162.96, 290,017.13 and 114,667.61

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Solution

The fourth proportional to 210,162.96, 290,017.13 and 114,667.61 is: 158,237.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,162.96 : 290,017.13 = 114,667.61 : x
  2. Step 2: Convert to fraction form
    210,162.96/290,017.13 = 114,667.61/x
  3. Step 3: Cross multiply
    210,162.96x = 290,017.13 × 114,667.61
  4. Step 4: Simplify right side
    210,162.96x = 33,255,569,132.74
  5. Step 5: Solve for x
    x = 33,255,569,132.74/210,162.96
  6. Step 6: Final answer
    x = 158,237.06

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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.