Home / 85,636.58-118,160.77-58,769.28

Finding the Fourth Proportional to 85,636.58, 118,160.77 and 58,769.28

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Solution

The fourth proportional to 85,636.58, 118,160.77 and 58,769.28 is: 81,089.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,636.58 : 118,160.77 = 58,769.28 : x
  2. Step 2: Convert to fraction form
    85,636.58/118,160.77 = 58,769.28/x
  3. Step 3: Cross multiply
    85,636.58x = 118,160.77 × 58,769.28
  4. Step 4: Simplify right side
    85,636.58x = 6,944,223,377.15
  5. Step 5: Solve for x
    x = 6,944,223,377.15/85,636.58
  6. Step 6: Final answer
    x = 81,089.45

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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.