Home / 133,458.09-200,218.28-38,690.25

Finding the Fourth Proportional to 133,458.09, 200,218.28 and 38,690.25

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Solution

The fourth proportional to 133,458.09, 200,218.28 and 38,690.25 is: 58,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,458.09 : 200,218.28 = 38,690.25 : x
  2. Step 2: Convert to fraction form
    133,458.09/200,218.28 = 38,690.25/x
  3. Step 3: Cross multiply
    133,458.09x = 200,218.28 × 38,690.25
  4. Step 4: Simplify right side
    133,458.09x = 7,746,495,114.32
  5. Step 5: Solve for x
    x = 7,746,495,114.32/133,458.09
  6. Step 6: Final answer
    x = 58,044.40

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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.