Home / 209,360.45-288,909.08-113,867.22

Finding the Fourth Proportional to 209,360.45, 288,909.08 and 113,867.22

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Solution

The fourth proportional to 209,360.45, 288,909.08 and 113,867.22 is: 157,132.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,360.45 : 288,909.08 = 113,867.22 : x
  2. Step 2: Convert to fraction form
    209,360.45/288,909.08 = 113,867.22/x
  3. Step 3: Cross multiply
    209,360.45x = 288,909.08 × 113,867.22
  4. Step 4: Simplify right side
    209,360.45x = 32,897,273,088.32
  5. Step 5: Solve for x
    x = 32,897,273,088.32/209,360.45
  6. Step 6: Final answer
    x = 157,132.23

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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.