Home / 118,133.43-163,028.07-64,421.39

Finding the Fourth Proportional to 118,133.43, 163,028.07 and 64,421.39

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Solution

The fourth proportional to 118,133.43, 163,028.07 and 64,421.39 is: 88,903.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,133.43 : 163,028.07 = 64,421.39 : x
  2. Step 2: Convert to fraction form
    118,133.43/163,028.07 = 64,421.39/x
  3. Step 3: Cross multiply
    118,133.43x = 163,028.07 × 64,421.39
  4. Step 4: Simplify right side
    118,133.43x = 10,502,494,063.28
  5. Step 5: Solve for x
    x = 10,502,494,063.28/118,133.43
  6. Step 6: Final answer
    x = 88,903.66

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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.