Home / 115,605.09-173,407.71-31,365.24

Finding the Fourth Proportional to 115,605.09, 173,407.71 and 31,365.24

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Solution

The fourth proportional to 115,605.09, 173,407.71 and 31,365.24 is: 47,047.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,605.09 : 173,407.71 = 31,365.24 : x
  2. Step 2: Convert to fraction form
    115,605.09/173,407.71 = 31,365.24/x
  3. Step 3: Cross multiply
    115,605.09x = 173,407.71 × 31,365.24
  4. Step 4: Simplify right side
    115,605.09x = 5,438,975,209.90
  5. Step 5: Solve for x
    x = 5,438,975,209.90/115,605.09
  6. Step 6: Final answer
    x = 47,047.89

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1.5x scale

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.