Home / 103,263.94-142,495.50-57,935.80

Finding the Fourth Proportional to 103,263.94, 142,495.50 and 57,935.80

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Solution

The fourth proportional to 103,263.94, 142,495.50 and 57,935.80 is: 79,946.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,263.94 : 142,495.50 = 57,935.80 : x
  2. Step 2: Convert to fraction form
    103,263.94/142,495.50 = 57,935.80/x
  3. Step 3: Cross multiply
    103,263.94x = 142,495.50 × 57,935.80
  4. Step 4: Simplify right side
    103,263.94x = 8,255,590,788.90
  5. Step 5: Solve for x
    x = 8,255,590,788.90/103,263.94
  6. Step 6: Final answer
    x = 79,946.50

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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.