Home / 212,247.63-292,875.14-143,486.73

Finding the Fourth Proportional to 212,247.63, 292,875.14 and 143,486.73

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Solution

The fourth proportional to 212,247.63, 292,875.14 and 143,486.73 is: 197,993.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,247.63 : 292,875.14 = 143,486.73 : x
  2. Step 2: Convert to fraction form
    212,247.63/292,875.14 = 143,486.73/x
  3. Step 3: Cross multiply
    212,247.63x = 292,875.14 × 143,486.73
  4. Step 4: Simplify right side
    212,247.63x = 42,023,696,495.61
  5. Step 5: Solve for x
    x = 42,023,696,495.61/212,247.63
  6. Step 6: Final answer
    x = 197,993.71

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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.