Home / 103,091.03-142,265.43-62,804.80

Finding the Fourth Proportional to 103,091.03, 142,265.43 and 62,804.80

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Solution

The fourth proportional to 103,091.03, 142,265.43 and 62,804.80 is: 86,670.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,091.03 : 142,265.43 = 62,804.80 : x
  2. Step 2: Convert to fraction form
    103,091.03/142,265.43 = 62,804.80/x
  3. Step 3: Cross multiply
    103,091.03x = 142,265.43 × 62,804.80
  4. Step 4: Simplify right side
    103,091.03x = 8,934,952,055.90
  5. Step 5: Solve for x
    x = 8,934,952,055.90/103,091.03
  6. Step 6: Final answer
    x = 86,670.51

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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.