Home / 121,208.40-181,666.80-62,013.60

Finding the Fourth Proportional to 121,208.40, 181,666.80 and 62,013.60

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Solution

The fourth proportional to 121,208.40, 181,666.80 and 62,013.60 is: 92,945.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,208.40 : 181,666.80 = 62,013.60 : x
  2. Step 2: Convert to fraction form
    121,208.40/181,666.80 = 62,013.60/x
  3. Step 3: Cross multiply
    121,208.40x = 181,666.80 × 62,013.60
  4. Step 4: Simplify right side
    121,208.40x = 11,265,812,268.48
  5. Step 5: Solve for x
    x = 11,265,812,268.48/121,208.40
  6. Step 6: Final answer
    x = 92,945.80

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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.