Home / 134,667.40-201,999.85-51,561.40

Finding the Fourth Proportional to 134,667.40, 201,999.85 and 51,561.40

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Solution

The fourth proportional to 134,667.40, 201,999.85 and 51,561.40 is: 77,341.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,667.40 : 201,999.85 = 51,561.40 : x
  2. Step 2: Convert to fraction form
    134,667.40/201,999.85 = 51,561.40/x
  3. Step 3: Cross multiply
    134,667.40x = 201,999.85 × 51,561.40
  4. Step 4: Simplify right side
    134,667.40x = 10,415,395,065.79
  5. Step 5: Solve for x
    x = 10,415,395,065.79/134,667.40
  6. Step 6: Final answer
    x = 77,341.62

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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.