Home / 142,295.10-213,442.65-133,079.10

Finding the Fourth Proportional to 142,295.10, 213,442.65 and 133,079.10

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Solution

The fourth proportional to 142,295.10, 213,442.65 and 133,079.10 is: 199,618.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,295.10 : 213,442.65 = 133,079.10 : x
  2. Step 2: Convert to fraction form
    142,295.10/213,442.65 = 133,079.10/x
  3. Step 3: Cross multiply
    142,295.10x = 213,442.65 × 133,079.10
  4. Step 4: Simplify right side
    142,295.10x = 28,404,755,763.62
  5. Step 5: Solve for x
    x = 28,404,755,763.62/142,295.10
  6. Step 6: Final answer
    x = 199,618.65

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1.5x scale

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.