Home / 209,292.08-288,826.68-113,799.40

Finding the Fourth Proportional to 209,292.08, 288,826.68 and 113,799.40

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Solution

The fourth proportional to 209,292.08, 288,826.68 and 113,799.40 is: 157,045.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,292.08 : 288,826.68 = 113,799.40 : x
  2. Step 2: Convert to fraction form
    209,292.08/288,826.68 = 113,799.40/x
  3. Step 3: Cross multiply
    209,292.08x = 288,826.68 × 113,799.40
  4. Step 4: Simplify right side
    209,292.08x = 32,868,302,887.99
  5. Step 5: Solve for x
    x = 32,868,302,887.99/209,292.08
  6. Step 6: Final answer
    x = 157,045.13

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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.