Home / 145,941.04-201,398.90-82,278.69

Finding the Fourth Proportional to 145,941.04, 201,398.90 and 82,278.69

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Solution

The fourth proportional to 145,941.04, 201,398.90 and 82,278.69 is: 113,544.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,941.04 : 201,398.90 = 82,278.69 : x
  2. Step 2: Convert to fraction form
    145,941.04/201,398.90 = 82,278.69/x
  3. Step 3: Cross multiply
    145,941.04x = 201,398.90 × 82,278.69
  4. Step 4: Simplify right side
    145,941.04x = 16,570,837,659.44
  5. Step 5: Solve for x
    x = 16,570,837,659.44/145,941.04
  6. Step 6: Final answer
    x = 113,544.74

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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.