Home / 180,640.02-249,285.03-100,068.66

Finding the Fourth Proportional to 180,640.02, 249,285.03 and 100,068.66

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Solution

The fourth proportional to 180,640.02, 249,285.03 and 100,068.66 is: 138,095.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,640.02 : 249,285.03 = 100,068.66 : x
  2. Step 2: Convert to fraction form
    180,640.02/249,285.03 = 100,068.66/x
  3. Step 3: Cross multiply
    180,640.02x = 249,285.03 × 100,068.66
  4. Step 4: Simplify right side
    180,640.02x = 24,945,618,910.16
  5. Step 5: Solve for x
    x = 24,945,618,910.16/180,640.02
  6. Step 6: Final answer
    x = 138,095.75

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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.