Home / 130,981.25-196,307.46-56,013.21

Finding the Fourth Proportional to 130,981.25, 196,307.46 and 56,013.21

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Solution

The fourth proportional to 130,981.25, 196,307.46 and 56,013.21 is: 83,949.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,981.25 : 196,307.46 = 56,013.21 : x
  2. Step 2: Convert to fraction form
    130,981.25/196,307.46 = 56,013.21/x
  3. Step 3: Cross multiply
    130,981.25x = 196,307.46 × 56,013.21
  4. Step 4: Simplify right side
    130,981.25x = 10,995,810,981.55
  5. Step 5: Solve for x
    x = 10,995,810,981.55/130,981.25
  6. Step 6: Final answer
    x = 83,949.51

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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.