Home / 115,004.40-172,506.60-30,764.40

Finding the Fourth Proportional to 115,004.40, 172,506.60 and 30,764.40

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Solution

The fourth proportional to 115,004.40, 172,506.60 and 30,764.40 is: 46,146.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,004.40 : 172,506.60 = 30,764.40 : x
  2. Step 2: Convert to fraction form
    115,004.40/172,506.60 = 30,764.40/x
  3. Step 3: Cross multiply
    115,004.40x = 172,506.60 × 30,764.40
  4. Step 4: Simplify right side
    115,004.40x = 5,307,062,045.04
  5. Step 5: Solve for x
    x = 5,307,062,045.04/115,004.40
  6. Step 6: Final answer
    x = 46,146.60

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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.