Home / 139,225.79-192,131.73-75,563.62

Finding the Fourth Proportional to 139,225.79, 192,131.73 and 75,563.62

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Solution

The fourth proportional to 139,225.79, 192,131.73 and 75,563.62 is: 104,277.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,225.79 : 192,131.73 = 75,563.62 : x
  2. Step 2: Convert to fraction form
    139,225.79/192,131.73 = 75,563.62/x
  3. Step 3: Cross multiply
    139,225.79x = 192,131.73 × 75,563.62
  4. Step 4: Simplify right side
    139,225.79x = 14,518,168,075.00
  5. Step 5: Solve for x
    x = 14,518,168,075.00/139,225.79
  6. Step 6: Final answer
    x = 104,277.86

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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.