Home / 121,665.80-182,436.39-64,772.02

Finding the Fourth Proportional to 121,665.80, 182,436.39 and 64,772.02

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Solution

The fourth proportional to 121,665.80, 182,436.39 and 64,772.02 is: 97,124.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,665.80 : 182,436.39 = 64,772.02 : x
  2. Step 2: Convert to fraction form
    121,665.80/182,436.39 = 64,772.02/x
  3. Step 3: Cross multiply
    121,665.80x = 182,436.39 × 64,772.02
  4. Step 4: Simplify right side
    121,665.80x = 11,816,773,501.81
  5. Step 5: Solve for x
    x = 11,816,773,501.81/121,665.80
  6. Step 6: Final answer
    x = 97,124.86

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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.