Home / 115,798.50-172,432.44-111,542.40

Finding the Fourth Proportional to 115,798.50, 172,432.44 and 111,542.40

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Solution

The fourth proportional to 115,798.50, 172,432.44 and 111,542.40 is: 166,094.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,798.50 : 172,432.44 = 111,542.40 : x
  2. Step 2: Convert to fraction form
    115,798.50/172,432.44 = 111,542.40/x
  3. Step 3: Cross multiply
    115,798.50x = 172,432.44 × 111,542.40
  4. Step 4: Simplify right side
    115,798.50x = 19,233,528,195.46
  5. Step 5: Solve for x
    x = 19,233,528,195.46/115,798.50
  6. Step 6: Final answer
    x = 166,094.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.