Home / 97,077.21-145,636.59-54,977.19

Finding the Fourth Proportional to 97,077.21, 145,636.59 and 54,977.19

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Solution

The fourth proportional to 97,077.21, 145,636.59 and 54,977.19 is: 82,477.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,077.21 : 145,636.59 = 54,977.19 : x
  2. Step 2: Convert to fraction form
    97,077.21/145,636.59 = 54,977.19/x
  3. Step 3: Cross multiply
    97,077.21x = 145,636.59 × 54,977.19
  4. Step 4: Simplify right side
    97,077.21x = 8,006,690,479.38
  5. Step 5: Solve for x
    x = 8,006,690,479.38/97,077.21
  6. Step 6: Final answer
    x = 82,477.55

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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.