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Finding the Fourth Proportional to 134,776.95, 186,051.96 and 87,053.57

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Solution

The fourth proportional to 134,776.95, 186,051.96 and 87,053.57 is: 120,172.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,776.95 : 186,051.96 = 87,053.57 : x
  2. Step 2: Convert to fraction form
    134,776.95/186,051.96 = 87,053.57/x
  3. Step 3: Cross multiply
    134,776.95x = 186,051.96 × 87,053.57
  4. Step 4: Simplify right side
    134,776.95x = 16,196,486,888.23
  5. Step 5: Solve for x
    x = 16,196,486,888.23/134,776.95
  6. Step 6: Final answer
    x = 120,172.53

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.