Home / 210,316.32-290,269.85-133,755.59

Finding the Fourth Proportional to 210,316.32, 290,269.85 and 133,755.59

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Solution

The fourth proportional to 210,316.32, 290,269.85 and 133,755.59 is: 184,603.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,316.32 : 290,269.85 = 133,755.59 : x
  2. Step 2: Convert to fraction form
    210,316.32/290,269.85 = 133,755.59/x
  3. Step 3: Cross multiply
    210,316.32x = 290,269.85 × 133,755.59
  4. Step 4: Simplify right side
    210,316.32x = 38,825,215,102.86
  5. Step 5: Solve for x
    x = 38,825,215,102.86/210,316.32
  6. Step 6: Final answer
    x = 184,603.91

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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.