Home / 212,066.46-292,434.76-140,420.34

Finding the Fourth Proportional to 212,066.46, 292,434.76 and 140,420.34

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Solution

The fourth proportional to 212,066.46, 292,434.76 and 140,420.34 is: 193,636.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,066.46 : 292,434.76 = 140,420.34 : x
  2. Step 2: Convert to fraction form
    212,066.46/292,434.76 = 140,420.34/x
  3. Step 3: Cross multiply
    212,066.46x = 292,434.76 × 140,420.34
  4. Step 4: Simplify right side
    212,066.46x = 41,063,788,427.02
  5. Step 5: Solve for x
    x = 41,063,788,427.02/212,066.46
  6. Step 6: Final answer
    x = 193,636.41

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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.