Home / 175,765.86-242,560.95-103,189.32

Finding the Fourth Proportional to 175,765.86, 242,560.95 and 103,189.32

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Solution

The fourth proportional to 175,765.86, 242,560.95 and 103,189.32 is: 142,403.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,765.86 : 242,560.95 = 103,189.32 : x
  2. Step 2: Convert to fraction form
    175,765.86/242,560.95 = 103,189.32/x
  3. Step 3: Cross multiply
    175,765.86x = 242,560.95 × 103,189.32
  4. Step 4: Simplify right side
    175,765.86x = 25,029,699,489.05
  5. Step 5: Solve for x
    x = 25,029,699,489.05/175,765.86
  6. Step 6: Final answer
    x = 142,403.65

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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.