Home / 212,197.58-292,834.62-115,402.35

Finding the Fourth Proportional to 212,197.58, 292,834.62 and 115,402.35

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Solution

The fourth proportional to 212,197.58, 292,834.62 and 115,402.35 is: 159,256.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,197.58 : 292,834.62 = 115,402.35 : x
  2. Step 2: Convert to fraction form
    212,197.58/292,834.62 = 115,402.35/x
  3. Step 3: Cross multiply
    212,197.58x = 292,834.62 × 115,402.35
  4. Step 4: Simplify right side
    212,197.58x = 33,793,803,309.36
  5. Step 5: Solve for x
    x = 33,793,803,309.36/212,197.58
  6. Step 6: Final answer
    x = 159,256.31

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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.