Home / 115,290.92-171,790.26-102,714.30

Finding the Fourth Proportional to 115,290.92, 171,790.26 and 102,714.30

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Solution

The fourth proportional to 115,290.92, 171,790.26 and 102,714.30 is: 153,050.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,290.92 : 171,790.26 = 102,714.30 : x
  2. Step 2: Convert to fraction form
    115,290.92/171,790.26 = 102,714.30/x
  3. Step 3: Cross multiply
    115,290.92x = 171,790.26 × 102,714.30
  4. Step 4: Simplify right side
    115,290.92x = 17,645,316,302.72
  5. Step 5: Solve for x
    x = 17,645,316,302.72/115,290.92
  6. Step 6: Final answer
    x = 153,050.36

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1.5x scale

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.