Home / 115,145.26-172,741.38-48,585.40

Finding the Fourth Proportional to 115,145.26, 172,741.38 and 48,585.40

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Solution

The fourth proportional to 115,145.26, 172,741.38 and 48,585.40 is: 72,888.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,145.26 : 172,741.38 = 48,585.40 : x
  2. Step 2: Convert to fraction form
    115,145.26/172,741.38 = 48,585.40/x
  3. Step 3: Cross multiply
    115,145.26x = 172,741.38 × 48,585.40
  4. Step 4: Simplify right side
    115,145.26x = 8,392,709,043.85
  5. Step 5: Solve for x
    x = 8,392,709,043.85/115,145.26
  6. Step 6: Final answer
    x = 72,888.01

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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.