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Finding the Fourth Proportional to 100,577.35, 141,201.95 and 100,577.35

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Solution

The fourth proportional to 100,577.35, 141,201.95 and 100,577.35 is: 141,201.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,577.35 : 141,201.95 = 100,577.35 : x
  2. Step 2: Convert to fraction form
    100,577.35/141,201.95 = 100,577.35/x
  3. Step 3: Cross multiply
    100,577.35x = 141,201.95 × 100,577.35
  4. Step 4: Simplify right side
    100,577.35x = 14,201,717,945.83
  5. Step 5: Solve for x
    x = 14,201,717,945.83/100,577.35
  6. Step 6: Final answer
    x = 141,201.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.