Home / 105,604.75-145,711.87-62,597.80

Finding the Fourth Proportional to 105,604.75, 145,711.87 and 62,597.80

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Solution

The fourth proportional to 105,604.75, 145,711.87 and 62,597.80 is: 86,371.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,604.75 : 145,711.87 = 62,597.80 : x
  2. Step 2: Convert to fraction form
    105,604.75/145,711.87 = 62,597.80/x
  3. Step 3: Cross multiply
    105,604.75x = 145,711.87 × 62,597.80
  4. Step 4: Simplify right side
    105,604.75x = 9,121,242,495.89
  5. Step 5: Solve for x
    x = 9,121,242,495.89/105,604.75
  6. Step 6: Final answer
    x = 86,371.52

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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.