Home / 131,346.30-197,019.45-76,050.30

Finding the Fourth Proportional to 131,346.30, 197,019.45 and 76,050.30

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Solution

The fourth proportional to 131,346.30, 197,019.45 and 76,050.30 is: 114,075.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,346.30 : 197,019.45 = 76,050.30 : x
  2. Step 2: Convert to fraction form
    131,346.30/197,019.45 = 76,050.30/x
  3. Step 3: Cross multiply
    131,346.30x = 197,019.45 × 76,050.30
  4. Step 4: Simplify right side
    131,346.30x = 14,983,388,278.34
  5. Step 5: Solve for x
    x = 14,983,388,278.34/131,346.30
  6. Step 6: Final answer
    x = 114,075.45

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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.