Home / 212,004.21-292,583.76-144,171.66

Finding the Fourth Proportional to 212,004.21, 292,583.76 and 144,171.66

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Solution

The fourth proportional to 212,004.21, 292,583.76 and 144,171.66 is: 198,969.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,004.21 : 292,583.76 = 144,171.66 : x
  2. Step 2: Convert to fraction form
    212,004.21/292,583.76 = 144,171.66/x
  3. Step 3: Cross multiply
    212,004.21x = 292,583.76 × 144,171.66
  4. Step 4: Simplify right side
    212,004.21x = 42,182,286,368.24
  5. Step 5: Solve for x
    x = 42,182,286,368.24/212,004.21
  6. Step 6: Final answer
    x = 198,969.10

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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.