Home / 90,929.90-136,307.36-46,577.54

Finding the Fourth Proportional to 90,929.90, 136,307.36 and 46,577.54

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Solution

The fourth proportional to 90,929.90, 136,307.36 and 46,577.54 is: 69,821.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,929.90 : 136,307.36 = 46,577.54 : x
  2. Step 2: Convert to fraction form
    90,929.90/136,307.36 = 46,577.54/x
  3. Step 3: Cross multiply
    90,929.90x = 136,307.36 × 46,577.54
  4. Step 4: Simplify right side
    90,929.90x = 6,348,861,512.69
  5. Step 5: Solve for x
    x = 6,348,861,512.69/90,929.90
  6. Step 6: Final answer
    x = 69,821.49

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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.