Home / 139,586.50-192,631.80-75,925.36

Finding the Fourth Proportional to 139,586.50, 192,631.80 and 75,925.36

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Solution

The fourth proportional to 139,586.50, 192,631.80 and 75,925.36 is: 104,778.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,586.50 : 192,631.80 = 75,925.36 : x
  2. Step 2: Convert to fraction form
    139,586.50/192,631.80 = 75,925.36/x
  3. Step 3: Cross multiply
    139,586.50x = 192,631.80 × 75,925.36
  4. Step 4: Simplify right side
    139,586.50x = 14,625,638,762.45
  5. Step 5: Solve for x
    x = 14,625,638,762.45/139,586.50
  6. Step 6: Final answer
    x = 104,778.32

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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.