Home / 118,540.70-163,586.14-64,825.75

Finding the Fourth Proportional to 118,540.70, 163,586.14 and 64,825.75

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Solution

The fourth proportional to 118,540.70, 163,586.14 and 64,825.75 is: 89,459.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,540.70 : 163,586.14 = 64,825.75 : x
  2. Step 2: Convert to fraction form
    118,540.70/163,586.14 = 64,825.75/x
  3. Step 3: Cross multiply
    118,540.70x = 163,586.14 × 64,825.75
  4. Step 4: Simplify right side
    118,540.70x = 10,604,594,215.11
  5. Step 5: Solve for x
    x = 10,604,594,215.11/118,540.70
  6. Step 6: Final answer
    x = 89,459.52

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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.