Home / 139,542.95-192,567.08-75,880.19

Finding the Fourth Proportional to 139,542.95, 192,567.08 and 75,880.19

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Solution

The fourth proportional to 139,542.95, 192,567.08 and 75,880.19 is: 104,713.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,542.95 : 192,567.08 = 75,880.19 : x
  2. Step 2: Convert to fraction form
    139,542.95/192,567.08 = 75,880.19/x
  3. Step 3: Cross multiply
    139,542.95x = 192,567.08 × 75,880.19
  4. Step 4: Simplify right side
    139,542.95x = 14,612,026,238.74
  5. Step 5: Solve for x
    x = 14,612,026,238.74/139,542.95
  6. Step 6: Final answer
    x = 104,713.47

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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.