Home / 118,648.26-178,016.12-62,486.10

Finding the Fourth Proportional to 118,648.26, 178,016.12 and 62,486.10

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Solution

The fourth proportional to 118,648.26, 178,016.12 and 62,486.10 is: 93,752.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,648.26 : 178,016.12 = 62,486.10 : x
  2. Step 2: Convert to fraction form
    118,648.26/178,016.12 = 62,486.10/x
  3. Step 3: Cross multiply
    118,648.26x = 178,016.12 × 62,486.10
  4. Step 4: Simplify right side
    118,648.26x = 11,123,533,075.93
  5. Step 5: Solve for x
    x = 11,123,533,075.93/118,648.26
  6. Step 6: Final answer
    x = 93,752.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.