Home / 94,064.16-140,911.62-54,538.20

Finding the Fourth Proportional to 94,064.16, 140,911.62 and 54,538.20

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Solution

The fourth proportional to 94,064.16, 140,911.62 and 54,538.20 is: 81,700.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,064.16 : 140,911.62 = 54,538.20 : x
  2. Step 2: Convert to fraction form
    94,064.16/140,911.62 = 54,538.20/x
  3. Step 3: Cross multiply
    94,064.16x = 140,911.62 × 54,538.20
  4. Step 4: Simplify right side
    94,064.16x = 7,685,066,113.88
  5. Step 5: Solve for x
    x = 7,685,066,113.88/94,064.16
  6. Step 6: Final answer
    x = 81,700.26

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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.