Home / 118,514.72-163,550.60-64,803.20

Finding the Fourth Proportional to 118,514.72, 163,550.60 and 64,803.20

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Solution

The fourth proportional to 118,514.72, 163,550.60 and 64,803.20 is: 89,428.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,514.72 : 163,550.60 = 64,803.20 : x
  2. Step 2: Convert to fraction form
    118,514.72/163,550.60 = 64,803.20/x
  3. Step 3: Cross multiply
    118,514.72x = 163,550.60 × 64,803.20
  4. Step 4: Simplify right side
    118,514.72x = 10,598,602,241.92
  5. Step 5: Solve for x
    x = 10,598,602,241.92/118,514.72
  6. Step 6: Final answer
    x = 89,428.57

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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.