Home / 210,318.70-290,273.12-133,757.96

Finding the Fourth Proportional to 210,318.70, 290,273.12 and 133,757.96

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Solution

The fourth proportional to 210,318.70, 290,273.12 and 133,757.96 is: 184,607.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,318.70 : 290,273.12 = 133,757.96 : x
  2. Step 2: Convert to fraction form
    210,318.70/290,273.12 = 133,757.96/x
  3. Step 3: Cross multiply
    210,318.70x = 290,273.12 × 133,757.96
  4. Step 4: Simplify right side
    210,318.70x = 38,826,340,374.04
  5. Step 5: Solve for x
    x = 38,826,340,374.04/210,318.70
  6. Step 6: Final answer
    x = 184,607.17

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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.