Home / 103,627.06-142,999.44-58,307

Finding the Fourth Proportional to 103,627.06, 142,999.44 and 58,307

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Solution

The fourth proportional to 103,627.06, 142,999.44 and 58,307 is: 80,460.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,627.06 : 142,999.44 = 58,307 : x
  2. Step 2: Convert to fraction form
    103,627.06/142,999.44 = 58,307/x
  3. Step 3: Cross multiply
    103,627.06x = 142,999.44 × 58,307
  4. Step 4: Simplify right side
    103,627.06x = 8,337,868,348.08
  5. Step 5: Solve for x
    x = 8,337,868,348.08/103,627.06
  6. Step 6: Final answer
    x = 80,460.34

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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.