Home / 115,299.40-172,886.10-52,045.24

Finding the Fourth Proportional to 115,299.40, 172,886.10 and 52,045.24

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Solution

The fourth proportional to 115,299.40, 172,886.10 and 52,045.24 is: 78,039.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,299.40 : 172,886.10 = 52,045.24 : x
  2. Step 2: Convert to fraction form
    115,299.40/172,886.10 = 52,045.24/x
  3. Step 3: Cross multiply
    115,299.40x = 172,886.10 × 52,045.24
  4. Step 4: Simplify right side
    115,299.40x = 8,997,898,567.16
  5. Step 5: Solve for x
    x = 8,997,898,567.16/115,299.40
  6. Step 6: Final answer
    x = 78,039.42

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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.