Home / 202,851.19-279,840.36-131,254.30

Finding the Fourth Proportional to 202,851.19, 279,840.36 and 131,254.30

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Solution

The fourth proportional to 202,851.19, 279,840.36 and 131,254.30 is: 181,069.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,851.19 : 279,840.36 = 131,254.30 : x
  2. Step 2: Convert to fraction form
    202,851.19/279,840.36 = 131,254.30/x
  3. Step 3: Cross multiply
    202,851.19x = 279,840.36 × 131,254.30
  4. Step 4: Simplify right side
    202,851.19x = 36,730,250,563.55
  5. Step 5: Solve for x
    x = 36,730,250,563.55/202,851.19
  6. Step 6: Final answer
    x = 181,069.93

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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.