Home / 134,787.10-202,180.65-103,683.10

Finding the Fourth Proportional to 134,787.10, 202,180.65 and 103,683.10

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Solution

The fourth proportional to 134,787.10, 202,180.65 and 103,683.10 is: 155,524.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,787.10 : 202,180.65 = 103,683.10 : x
  2. Step 2: Convert to fraction form
    134,787.10/202,180.65 = 103,683.10/x
  3. Step 3: Cross multiply
    134,787.10x = 202,180.65 × 103,683.10
  4. Step 4: Simplify right side
    134,787.10x = 20,962,716,552.02
  5. Step 5: Solve for x
    x = 20,962,716,552.02/134,787.10
  6. Step 6: Final answer
    x = 155,524.65

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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.