Home / 212,272.15-292,928.17-116,777.83

Finding the Fourth Proportional to 212,272.15, 292,928.17 and 116,777.83

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Solution

The fourth proportional to 212,272.15, 292,928.17 and 116,777.83 is: 161,149.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,272.15 : 292,928.17 = 116,777.83 : x
  2. Step 2: Convert to fraction form
    212,272.15/292,928.17 = 116,777.83/x
  3. Step 3: Cross multiply
    212,272.15x = 292,928.17 × 116,777.83
  4. Step 4: Simplify right side
    212,272.15x = 34,207,516,038.47
  5. Step 5: Solve for x
    x = 34,207,516,038.47/212,272.15
  6. Step 6: Final answer
    x = 161,149.34

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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.