Home / 277,146.10-415,762.71-90,113.86

Finding the Fourth Proportional to 277,146.10, 415,762.71 and 90,113.86

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Solution

The fourth proportional to 277,146.10, 415,762.71 and 90,113.86 is: 135,184.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,146.10 : 415,762.71 = 90,113.86 : x
  2. Step 2: Convert to fraction form
    277,146.10/415,762.71 = 90,113.86/x
  3. Step 3: Cross multiply
    277,146.10x = 415,762.71 × 90,113.86
  4. Step 4: Simplify right side
    277,146.10x = 37,465,982,642.16
  5. Step 5: Solve for x
    x = 37,465,982,642.16/277,146.10
  6. Step 6: Final answer
    x = 135,184.95

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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.