Home / 131,465.40-197,246.70-52,636.20

Finding the Fourth Proportional to 131,465.40, 197,246.70 and 52,636.20

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Solution

The fourth proportional to 131,465.40, 197,246.70 and 52,636.20 is: 78,973.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,465.40 : 197,246.70 = 52,636.20 : x
  2. Step 2: Convert to fraction form
    131,465.40/197,246.70 = 52,636.20/x
  3. Step 3: Cross multiply
    131,465.40x = 197,246.70 × 52,636.20
  4. Step 4: Simplify right side
    131,465.40x = 10,382,316,750.54
  5. Step 5: Solve for x
    x = 10,382,316,750.54/131,465.40
  6. Step 6: Final answer
    x = 78,973.76

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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.