Home / 117,864.40-162,652.88-64,149.81

Finding the Fourth Proportional to 117,864.40, 162,652.88 and 64,149.81

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Solution

The fourth proportional to 117,864.40, 162,652.88 and 64,149.81 is: 88,526.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,864.40 : 162,652.88 = 64,149.81 : x
  2. Step 2: Convert to fraction form
    117,864.40/162,652.88 = 64,149.81/x
  3. Step 3: Cross multiply
    117,864.40x = 162,652.88 × 64,149.81
  4. Step 4: Simplify right side
    117,864.40x = 10,434,151,027.20
  5. Step 5: Solve for x
    x = 10,434,151,027.20/117,864.40
  6. Step 6: Final answer
    x = 88,526.74

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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.