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Finding the Fourth Proportional to 134,666.40, 201,998.35 and 51,560.40

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Solution

The fourth proportional to 134,666.40, 201,998.35 and 51,560.40 is: 77,340.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,666.40 : 201,998.35 = 51,560.40 : x
  2. Step 2: Convert to fraction form
    134,666.40/201,998.35 = 51,560.40/x
  3. Step 3: Cross multiply
    134,666.40x = 201,998.35 × 51,560.40
  4. Step 4: Simplify right side
    134,666.40x = 10,415,115,725.34
  5. Step 5: Solve for x
    x = 10,415,115,725.34/134,666.40
  6. Step 6: Final answer
    x = 77,340.12

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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.