Home / 121,316.16-181,972.08-51,196.08

Finding the Fourth Proportional to 121,316.16, 181,972.08 and 51,196.08

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Solution

The fourth proportional to 121,316.16, 181,972.08 and 51,196.08 is: 76,793.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,316.16 : 181,972.08 = 51,196.08 : x
  2. Step 2: Convert to fraction form
    121,316.16/181,972.08 = 51,196.08/x
  3. Step 3: Cross multiply
    121,316.16x = 181,972.08 × 51,196.08
  4. Step 4: Simplify right side
    121,316.16x = 9,316,257,165.45
  5. Step 5: Solve for x
    x = 9,316,257,165.45/121,316.16
  6. Step 6: Final answer
    x = 76,793.21

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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.