Home / 212,003.22-292,582.40-144,170.68

Finding the Fourth Proportional to 212,003.22, 292,582.40 and 144,170.68

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Solution

The fourth proportional to 212,003.22, 292,582.40 and 144,170.68 is: 198,967.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,003.22 : 292,582.40 = 144,170.68 : x
  2. Step 2: Convert to fraction form
    212,003.22/292,582.40 = 144,170.68/x
  3. Step 3: Cross multiply
    212,003.22x = 292,582.40 × 144,170.68
  4. Step 4: Simplify right side
    212,003.22x = 42,181,803,564.03
  5. Step 5: Solve for x
    x = 42,181,803,564.03/212,003.22
  6. Step 6: Final answer
    x = 198,967.75

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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.