Home / 156,322.58-215,719.37-84,701.06

Finding the Fourth Proportional to 156,322.58, 215,719.37 and 84,701.06

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Solution

The fourth proportional to 156,322.58, 215,719.37 and 84,701.06 is: 116,884.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,322.58 : 215,719.37 = 84,701.06 : x
  2. Step 2: Convert to fraction form
    156,322.58/215,719.37 = 84,701.06/x
  3. Step 3: Cross multiply
    156,322.58x = 215,719.37 × 84,701.06
  4. Step 4: Simplify right side
    156,322.58x = 18,271,658,926.01
  5. Step 5: Solve for x
    x = 18,271,658,926.01/156,322.58
  6. Step 6: Final answer
    x = 116,884.33

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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.