Home / 104,929.35-144,802.24-57,182.57

Finding the Fourth Proportional to 104,929.35, 144,802.24 and 57,182.57

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Solution

The fourth proportional to 104,929.35, 144,802.24 and 57,182.57 is: 78,911.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,929.35 : 144,802.24 = 57,182.57 : x
  2. Step 2: Convert to fraction form
    104,929.35/144,802.24 = 57,182.57/x
  3. Step 3: Cross multiply
    104,929.35x = 144,802.24 × 57,182.57
  4. Step 4: Simplify right side
    104,929.35x = 8,280,164,224.96
  5. Step 5: Solve for x
    x = 8,280,164,224.96/104,929.35
  6. Step 6: Final answer
    x = 78,911.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.