Home / 209,148.24-288,625.77-113,655.72

Finding the Fourth Proportional to 209,148.24, 288,625.77 and 113,655.72

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Solution

The fourth proportional to 209,148.24, 288,625.77 and 113,655.72 is: 156,845.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,148.24 : 288,625.77 = 113,655.72 : x
  2. Step 2: Convert to fraction form
    209,148.24/288,625.77 = 113,655.72/x
  3. Step 3: Cross multiply
    209,148.24x = 288,625.77 × 113,655.72
  4. Step 4: Simplify right side
    209,148.24x = 32,803,969,699.90
  5. Step 5: Solve for x
    x = 32,803,969,699.90/209,148.24
  6. Step 6: Final answer
    x = 156,845.55

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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.