Home / 139,347.04-192,299.93-75,684.86

Finding the Fourth Proportional to 139,347.04, 192,299.93 and 75,684.86

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Solution

The fourth proportional to 139,347.04, 192,299.93 and 75,684.86 is: 104,445.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,347.04 : 192,299.93 = 75,684.86 : x
  2. Step 2: Convert to fraction form
    139,347.04/192,299.93 = 75,684.86/x
  3. Step 3: Cross multiply
    139,347.04x = 192,299.93 × 75,684.86
  4. Step 4: Simplify right side
    139,347.04x = 14,554,193,280.06
  5. Step 5: Solve for x
    x = 14,554,193,280.06/139,347.04
  6. Step 6: Final answer
    x = 104,445.66

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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.