Home / 117,724.28-162,455.03-64,009.34

Finding the Fourth Proportional to 117,724.28, 162,455.03 and 64,009.34

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Solution

The fourth proportional to 117,724.28, 162,455.03 and 64,009.34 is: 88,330.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,724.28 : 162,455.03 = 64,009.34 : x
  2. Step 2: Convert to fraction form
    117,724.28/162,455.03 = 64,009.34/x
  3. Step 3: Cross multiply
    117,724.28x = 162,455.03 × 64,009.34
  4. Step 4: Simplify right side
    117,724.28x = 10,398,638,966.90
  5. Step 5: Solve for x
    x = 10,398,638,966.90/117,724.28
  6. Step 6: Final answer
    x = 88,330.45

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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.