Home / 121,938.12-182,917.44-47,055.24

Finding the Fourth Proportional to 121,938.12, 182,917.44 and 47,055.24

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Solution

The fourth proportional to 121,938.12, 182,917.44 and 47,055.24 is: 70,586.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,938.12 : 182,917.44 = 47,055.24 : x
  2. Step 2: Convert to fraction form
    121,938.12/182,917.44 = 47,055.24/x
  3. Step 3: Cross multiply
    121,938.12x = 182,917.44 × 47,055.24
  4. Step 4: Simplify right side
    121,938.12x = 8,607,224,039.39
  5. Step 5: Solve for x
    x = 8,607,224,039.39/121,938.12
  6. Step 6: Final answer
    x = 70,586.82

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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.