Home / 121,665.04-182,821.56-65,548.24

Finding the Fourth Proportional to 121,665.04, 182,821.56 and 65,548.24

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Solution

The fourth proportional to 121,665.04, 182,821.56 and 65,548.24 is: 98,496.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,665.04 : 182,821.56 = 65,548.24 : x
  2. Step 2: Convert to fraction form
    121,665.04/182,821.56 = 65,548.24/x
  3. Step 3: Cross multiply
    121,665.04x = 182,821.56 × 65,548.24
  4. Step 4: Simplify right side
    121,665.04x = 11,983,631,492.05
  5. Step 5: Solve for x
    x = 11,983,631,492.05/121,665.04
  6. Step 6: Final answer
    x = 98,496.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.