Home / 210,318.07-290,272.26-133,757.34

Finding the Fourth Proportional to 210,318.07, 290,272.26 and 133,757.34

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Solution

The fourth proportional to 210,318.07, 290,272.26 and 133,757.34 is: 184,606.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,318.07 : 290,272.26 = 133,757.34 : x
  2. Step 2: Convert to fraction form
    210,318.07/290,272.26 = 133,757.34/x
  3. Step 3: Cross multiply
    210,318.07x = 290,272.26 × 133,757.34
  4. Step 4: Simplify right side
    210,318.07x = 38,826,045,373.39
  5. Step 5: Solve for x
    x = 38,826,045,373.39/210,318.07
  6. Step 6: Final answer
    x = 184,606.32

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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.