Home / 121,541.40-182,247.30-51,341.40

Finding the Fourth Proportional to 121,541.40, 182,247.30 and 51,341.40

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Solution

The fourth proportional to 121,541.40, 182,247.30 and 51,341.40 is: 76,984.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,541.40 : 182,247.30 = 51,341.40 : x
  2. Step 2: Convert to fraction form
    121,541.40/182,247.30 = 51,341.40/x
  3. Step 3: Cross multiply
    121,541.40x = 182,247.30 × 51,341.40
  4. Step 4: Simplify right side
    121,541.40x = 9,356,831,528.22
  5. Step 5: Solve for x
    x = 9,356,831,528.22/121,541.40
  6. Step 6: Final answer
    x = 76,984.73

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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.