Home / 258,834.11-357,190.35-145,656.86

Finding the Fourth Proportional to 258,834.11, 357,190.35 and 145,656.86

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Solution

The fourth proportional to 258,834.11, 357,190.35 and 145,656.86 is: 201,006.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,834.11 : 357,190.35 = 145,656.86 : x
  2. Step 2: Convert to fraction form
    258,834.11/357,190.35 = 145,656.86/x
  3. Step 3: Cross multiply
    258,834.11x = 357,190.35 × 145,656.86
  4. Step 4: Simplify right side
    258,834.11x = 52,027,225,150.06
  5. Step 5: Solve for x
    x = 52,027,225,150.06/258,834.11
  6. Step 6: Final answer
    x = 201,006.06

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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.