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Finding the Fourth Proportional to 134,447.90, 201,671.85 and 124,310.30

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Solution

The fourth proportional to 134,447.90, 201,671.85 and 124,310.30 is: 186,465.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,447.90 : 201,671.85 = 124,310.30 : x
  2. Step 2: Convert to fraction form
    134,447.90/201,671.85 = 124,310.30/x
  3. Step 3: Cross multiply
    134,447.90x = 201,671.85 × 124,310.30
  4. Step 4: Simplify right side
    134,447.90x = 25,069,888,175.06
  5. Step 5: Solve for x
    x = 25,069,888,175.06/134,447.90
  6. Step 6: Final answer
    x = 186,465.45

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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.