Home / 145,488.96-201,135.60-144,160.56

Finding the Fourth Proportional to 145,488.96, 201,135.60 and 144,160.56

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Solution

The fourth proportional to 145,488.96, 201,135.60 and 144,160.56 is: 199,299.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,488.96 : 201,135.60 = 144,160.56 : x
  2. Step 2: Convert to fraction form
    145,488.96/201,135.60 = 144,160.56/x
  3. Step 3: Cross multiply
    145,488.96x = 201,135.60 × 144,160.56
  4. Step 4: Simplify right side
    145,488.96x = 28,995,820,731.94
  5. Step 5: Solve for x
    x = 28,995,820,731.94/145,488.96
  6. Step 6: Final answer
    x = 199,299.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.