Home / 134,784.35-202,176.53-103,680.35

Finding the Fourth Proportional to 134,784.35, 202,176.53 and 103,680.35

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Solution

The fourth proportional to 134,784.35, 202,176.53 and 103,680.35 is: 155,520.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,784.35 : 202,176.53 = 103,680.35 : x
  2. Step 2: Convert to fraction form
    134,784.35/202,176.53 = 103,680.35/x
  3. Step 3: Cross multiply
    134,784.35x = 202,176.53 × 103,680.35
  4. Step 4: Simplify right side
    134,784.35x = 20,961,732,873.78
  5. Step 5: Solve for x
    x = 20,961,732,873.78/134,784.35
  6. Step 6: Final answer
    x = 155,520.53

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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.