Home / 131,560.21-197,339.85-47,320.23

Finding the Fourth Proportional to 131,560.21, 197,339.85 and 47,320.23

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Solution

The fourth proportional to 131,560.21, 197,339.85 and 47,320.23 is: 70,980.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,560.21 : 197,339.85 = 47,320.23 : x
  2. Step 2: Convert to fraction form
    131,560.21/197,339.85 = 47,320.23/x
  3. Step 3: Cross multiply
    131,560.21x = 197,339.85 × 47,320.23
  4. Step 4: Simplify right side
    131,560.21x = 9,338,167,090.17
  5. Step 5: Solve for x
    x = 9,338,167,090.17/131,560.21
  6. Step 6: Final answer
    x = 70,980.18

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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.