Home / 86,741.46-119,637.15-74,662.48

Finding the Fourth Proportional to 86,741.46, 119,637.15 and 74,662.48

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Solution

The fourth proportional to 86,741.46, 119,637.15 and 74,662.48 is: 102,977.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,741.46 : 119,637.15 = 74,662.48 : x
  2. Step 2: Convert to fraction form
    86,741.46/119,637.15 = 74,662.48/x
  3. Step 3: Cross multiply
    86,741.46x = 119,637.15 × 74,662.48
  4. Step 4: Simplify right side
    86,741.46x = 8,932,406,319.13
  5. Step 5: Solve for x
    x = 8,932,406,319.13/86,741.46
  6. Step 6: Final answer
    x = 102,977.36

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1.5x scale

Why These Related Problems?

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