Home / 86,654.28-119,533-52,175.04

Finding the Fourth Proportional to 86,654.28, 119,533 and 52,175.04

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Solution

The fourth proportional to 86,654.28, 119,533 and 52,175.04 is: 71,971.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,654.28 : 119,533 = 52,175.04 : x
  2. Step 2: Convert to fraction form
    86,654.28/119,533 = 52,175.04/x
  3. Step 3: Cross multiply
    86,654.28x = 119,533 × 52,175.04
  4. Step 4: Simplify right side
    86,654.28x = 6,236,639,056.32
  5. Step 5: Solve for x
    x = 6,236,639,056.32/86,654.28
  6. Step 6: Final answer
    x = 71,971.51

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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.