Home / 209,024.51-288,454.65-113,532.80

Finding the Fourth Proportional to 209,024.51, 288,454.65 and 113,532.80

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Solution

The fourth proportional to 209,024.51, 288,454.65 and 113,532.80 is: 156,675.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,024.51 : 288,454.65 = 113,532.80 : x
  2. Step 2: Convert to fraction form
    209,024.51/288,454.65 = 113,532.80/x
  3. Step 3: Cross multiply
    209,024.51x = 288,454.65 × 113,532.80
  4. Step 4: Simplify right side
    209,024.51x = 32,749,064,087.52
  5. Step 5: Solve for x
    x = 32,749,064,087.52/209,024.51
  6. Step 6: Final answer
    x = 156,675.71

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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.