Home / 131,570.36-197,019.23-72,340.92

Finding the Fourth Proportional to 131,570.36, 197,019.23 and 72,340.92

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Solution

The fourth proportional to 131,570.36, 197,019.23 and 72,340.92 is: 108,326.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,570.36 : 197,019.23 = 72,340.92 : x
  2. Step 2: Convert to fraction form
    131,570.36/197,019.23 = 72,340.92/x
  3. Step 3: Cross multiply
    131,570.36x = 197,019.23 × 72,340.92
  4. Step 4: Simplify right side
    131,570.36x = 14,252,551,994.19
  5. Step 5: Solve for x
    x = 14,252,551,994.19/131,570.36
  6. Step 6: Final answer
    x = 108,326.47

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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.