Home / 102,160.20-153,240.57-31,083.51

Finding the Fourth Proportional to 102,160.20, 153,240.57 and 31,083.51

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Solution

The fourth proportional to 102,160.20, 153,240.57 and 31,083.51 is: 46,625.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,160.20 : 153,240.57 = 31,083.51 : x
  2. Step 2: Convert to fraction form
    102,160.20/153,240.57 = 31,083.51/x
  3. Step 3: Cross multiply
    102,160.20x = 153,240.57 × 31,083.51
  4. Step 4: Simplify right side
    102,160.20x = 4,763,254,790.00
  5. Step 5: Solve for x
    x = 4,763,254,790.00/102,160.20
  6. Step 6: Final answer
    x = 46,625.35

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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.