Home / 130,857.77-196,286.74-42,111.25

Finding the Fourth Proportional to 130,857.77, 196,286.74 and 42,111.25

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Solution

The fourth proportional to 130,857.77, 196,286.74 and 42,111.25 is: 63,166.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,857.77 : 196,286.74 = 42,111.25 : x
  2. Step 2: Convert to fraction form
    130,857.77/196,286.74 = 42,111.25/x
  3. Step 3: Cross multiply
    130,857.77x = 196,286.74 × 42,111.25
  4. Step 4: Simplify right side
    130,857.77x = 8,265,880,172.76
  5. Step 5: Solve for x
    x = 8,265,880,172.76/130,857.77
  6. Step 6: Final answer
    x = 63,166.90

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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.