Home / 147,540.64-203,598.48-80,459.68

Finding the Fourth Proportional to 147,540.64, 203,598.48 and 80,459.68

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Solution

The fourth proportional to 147,540.64, 203,598.48 and 80,459.68 is: 111,030.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,540.64 : 203,598.48 = 80,459.68 : x
  2. Step 2: Convert to fraction form
    147,540.64/203,598.48 = 80,459.68/x
  3. Step 3: Cross multiply
    147,540.64x = 203,598.48 × 80,459.68
  4. Step 4: Simplify right side
    147,540.64x = 16,381,468,549.29
  5. Step 5: Solve for x
    x = 16,381,468,549.29/147,540.64
  6. Step 6: Final answer
    x = 111,030.21

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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.