Home / 118,135.43-163,030.83-64,423.39

Finding the Fourth Proportional to 118,135.43, 163,030.83 and 64,423.39

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Solution

The fourth proportional to 118,135.43, 163,030.83 and 64,423.39 is: 88,906.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,135.43 : 163,030.83 = 64,423.39 : x
  2. Step 2: Convert to fraction form
    118,135.43/163,030.83 = 64,423.39/x
  3. Step 3: Cross multiply
    118,135.43x = 163,030.83 × 64,423.39
  4. Step 4: Simplify right side
    118,135.43x = 10,502,997,927.96
  5. Step 5: Solve for x
    x = 10,502,997,927.96/118,135.43
  6. Step 6: Final answer
    x = 88,906.42

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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.