Home / 118,319.75-163,280.43-64,604.73

Finding the Fourth Proportional to 118,319.75, 163,280.43 and 64,604.73

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Solution

The fourth proportional to 118,319.75, 163,280.43 and 64,604.73 is: 89,154.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,319.75 : 163,280.43 = 64,604.73 : x
  2. Step 2: Convert to fraction form
    118,319.75/163,280.43 = 64,604.73/x
  3. Step 3: Cross multiply
    118,319.75x = 163,280.43 × 64,604.73
  4. Step 4: Simplify right side
    118,319.75x = 10,548,688,094.43
  5. Step 5: Solve for x
    x = 10,548,688,094.43/118,319.75
  6. Step 6: Final answer
    x = 89,154.08

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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.