Home / 121,178.10-181,803.60-65,045.10

Finding the Fourth Proportional to 121,178.10, 181,803.60 and 65,045.10

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Solution

The fourth proportional to 121,178.10, 181,803.60 and 65,045.10 is: 97,587.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,178.10 : 181,803.60 = 65,045.10 : x
  2. Step 2: Convert to fraction form
    121,178.10/181,803.60 = 65,045.10/x
  3. Step 3: Cross multiply
    121,178.10x = 181,803.60 × 65,045.10
  4. Step 4: Simplify right side
    121,178.10x = 11,825,433,342.36
  5. Step 5: Solve for x
    x = 11,825,433,342.36/121,178.10
  6. Step 6: Final answer
    x = 97,587.22

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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.