Home / 209,239.16-288,746.64-113,748.24

Finding the Fourth Proportional to 209,239.16, 288,746.64 and 113,748.24

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Solution

The fourth proportional to 209,239.16, 288,746.64 and 113,748.24 is: 156,970.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,239.16 : 288,746.64 = 113,748.24 : x
  2. Step 2: Convert to fraction form
    209,239.16/288,746.64 = 113,748.24/x
  3. Step 3: Cross multiply
    209,239.16x = 288,746.64 × 113,748.24
  4. Step 4: Simplify right side
    209,239.16x = 32,844,422,105.91
  5. Step 5: Solve for x
    x = 32,844,422,105.91/209,239.16
  6. Step 6: Final answer
    x = 156,970.72

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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.