Home / 141,128.40-211,692.60-101,600.40

Finding the Fourth Proportional to 141,128.40, 211,692.60 and 101,600.40

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Solution

The fourth proportional to 141,128.40, 211,692.60 and 101,600.40 is: 152,400.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,128.40 : 211,692.60 = 101,600.40 : x
  2. Step 2: Convert to fraction form
    141,128.40/211,692.60 = 101,600.40/x
  3. Step 3: Cross multiply
    141,128.40x = 211,692.60 × 101,600.40
  4. Step 4: Simplify right side
    141,128.40x = 21,508,052,837.04
  5. Step 5: Solve for x
    x = 21,508,052,837.04/141,128.40
  6. Step 6: Final answer
    x = 152,400.60

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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.