Home / 111,009.10-166,601.14-40,937.62

Finding the Fourth Proportional to 111,009.10, 166,601.14 and 40,937.62

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Solution

The fourth proportional to 111,009.10, 166,601.14 and 40,937.62 is: 61,438.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,009.10 : 166,601.14 = 40,937.62 : x
  2. Step 2: Convert to fraction form
    111,009.10/166,601.14 = 40,937.62/x
  3. Step 3: Cross multiply
    111,009.10x = 166,601.14 × 40,937.62
  4. Step 4: Simplify right side
    111,009.10x = 6,820,254,160.89
  5. Step 5: Solve for x
    x = 6,820,254,160.89/111,009.10
  6. Step 6: Final answer
    x = 61,438.69

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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.