Home / 118,363.50-163,341.62-64,648.64

Finding the Fourth Proportional to 118,363.50, 163,341.62 and 64,648.64

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Solution

The fourth proportional to 118,363.50, 163,341.62 and 64,648.64 is: 89,215.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,363.50 : 163,341.62 = 64,648.64 : x
  2. Step 2: Convert to fraction form
    118,363.50/163,341.62 = 64,648.64/x
  3. Step 3: Cross multiply
    118,363.50x = 163,341.62 × 64,648.64
  4. Step 4: Simplify right side
    118,363.50x = 10,559,813,588.40
  5. Step 5: Solve for x
    x = 10,559,813,588.40/118,363.50
  6. Step 6: Final answer
    x = 89,215.12

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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.