Home / 188,461.27-260,077.40-103,583.80

Finding the Fourth Proportional to 188,461.27, 260,077.40 and 103,583.80

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Solution

The fourth proportional to 188,461.27, 260,077.40 and 103,583.80 is: 142,946.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,461.27 : 260,077.40 = 103,583.80 : x
  2. Step 2: Convert to fraction form
    188,461.27/260,077.40 = 103,583.80/x
  3. Step 3: Cross multiply
    188,461.27x = 260,077.40 × 103,583.80
  4. Step 4: Simplify right side
    188,461.27x = 26,939,805,386.12
  5. Step 5: Solve for x
    x = 26,939,805,386.12/188,461.27
  6. Step 6: Final answer
    x = 142,946.11

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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.