Home / 118,828.85-178,283.00-38,870.47

Finding the Fourth Proportional to 118,828.85, 178,283.00 and 38,870.47

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Solution

The fourth proportional to 118,828.85, 178,283.00 and 38,870.47 is: 58,318.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,828.85 : 178,283.00 = 38,870.47 : x
  2. Step 2: Convert to fraction form
    118,828.85/178,283.00 = 38,870.47/x
  3. Step 3: Cross multiply
    118,828.85x = 178,283.00 × 38,870.47
  4. Step 4: Simplify right side
    118,828.85x = 6,929,943,362.95
  5. Step 5: Solve for x
    x = 6,929,943,362.95/118,828.85
  6. Step 6: Final answer
    x = 58,318.69

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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.