Home / 121,116.82-181,675.86-36,877.72

Finding the Fourth Proportional to 121,116.82, 181,675.86 and 36,877.72

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Solution

The fourth proportional to 121,116.82, 181,675.86 and 36,877.72 is: 55,316.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,116.82 : 181,675.86 = 36,877.72 : x
  2. Step 2: Convert to fraction form
    121,116.82/181,675.86 = 36,877.72/x
  3. Step 3: Cross multiply
    121,116.82x = 181,675.86 × 36,877.72
  4. Step 4: Simplify right side
    121,116.82x = 6,699,791,495.84
  5. Step 5: Solve for x
    x = 6,699,791,495.84/121,116.82
  6. Step 6: Final answer
    x = 55,316.77

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1.5x scale

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.