Home / 103,201.11-142,416.98-57,260.33

Finding the Fourth Proportional to 103,201.11, 142,416.98 and 57,260.33

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Solution

The fourth proportional to 103,201.11, 142,416.98 and 57,260.33 is: 79,018.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,201.11 : 142,416.98 = 57,260.33 : x
  2. Step 2: Convert to fraction form
    103,201.11/142,416.98 = 57,260.33/x
  3. Step 3: Cross multiply
    103,201.11x = 142,416.98 × 57,260.33
  4. Step 4: Simplify right side
    103,201.11x = 8,154,843,545.17
  5. Step 5: Solve for x
    x = 8,154,843,545.17/103,201.11
  6. Step 6: Final answer
    x = 79,018.95

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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.