Home / 130,486.08-195,729.12-123,837.60

Finding the Fourth Proportional to 130,486.08, 195,729.12 and 123,837.60

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Solution

The fourth proportional to 130,486.08, 195,729.12 and 123,837.60 is: 185,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,486.08 : 195,729.12 = 123,837.60 : x
  2. Step 2: Convert to fraction form
    130,486.08/195,729.12 = 123,837.60/x
  3. Step 3: Cross multiply
    130,486.08x = 195,729.12 × 123,837.60
  4. Step 4: Simplify right side
    130,486.08x = 24,238,624,470.91
  5. Step 5: Solve for x
    x = 24,238,624,470.91/130,486.08
  6. Step 6: Final answer
    x = 185,756.40

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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.