Home / 103,091.54-142,253.87-57,759.13

Finding the Fourth Proportional to 103,091.54, 142,253.87 and 57,759.13

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Solution

The fourth proportional to 103,091.54, 142,253.87 and 57,759.13 is: 79,700.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,091.54 : 142,253.87 = 57,759.13 : x
  2. Step 2: Convert to fraction form
    103,091.54/142,253.87 = 57,759.13/x
  3. Step 3: Cross multiply
    103,091.54x = 142,253.87 × 57,759.13
  4. Step 4: Simplify right side
    103,091.54x = 8,216,459,184.07
  5. Step 5: Solve for x
    x = 8,216,459,184.07/103,091.54
  6. Step 6: Final answer
    x = 79,700.62

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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.