Home / 131,145.90-197,107.65-114,038.70

Finding the Fourth Proportional to 131,145.90, 197,107.65 and 114,038.70

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Solution

The fourth proportional to 131,145.90, 197,107.65 and 114,038.70 is: 171,396.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,145.90 : 197,107.65 = 114,038.70 : x
  2. Step 2: Convert to fraction form
    131,145.90/197,107.65 = 114,038.70/x
  3. Step 3: Cross multiply
    131,145.90x = 197,107.65 × 114,038.70
  4. Step 4: Simplify right side
    131,145.90x = 22,477,900,166.06
  5. Step 5: Solve for x
    x = 22,477,900,166.06/131,145.90
  6. Step 6: Final answer
    x = 171,396.13

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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.