Home / 131,007.90-196,414.65-42,210.30

Finding the Fourth Proportional to 131,007.90, 196,414.65 and 42,210.30

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Solution

The fourth proportional to 131,007.90, 196,414.65 and 42,210.30 is: 63,284.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,007.90 : 196,414.65 = 42,210.30 : x
  2. Step 2: Convert to fraction form
    131,007.90/196,414.65 = 42,210.30/x
  3. Step 3: Cross multiply
    131,007.90x = 196,414.65 × 42,210.30
  4. Step 4: Simplify right side
    131,007.90x = 8,290,721,300.90
  5. Step 5: Solve for x
    x = 8,290,721,300.90/131,007.90
  6. Step 6: Final answer
    x = 63,284.13

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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.