Home / 139,812.46-192,941.50-76,150.06

Finding the Fourth Proportional to 139,812.46, 192,941.50 and 76,150.06

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Solution

The fourth proportional to 139,812.46, 192,941.50 and 76,150.06 is: 105,087.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,812.46 : 192,941.50 = 76,150.06 : x
  2. Step 2: Convert to fraction form
    139,812.46/192,941.50 = 76,150.06/x
  3. Step 3: Cross multiply
    139,812.46x = 192,941.50 × 76,150.06
  4. Step 4: Simplify right side
    139,812.46x = 14,692,506,801.49
  5. Step 5: Solve for x
    x = 14,692,506,801.49/139,812.46
  6. Step 6: Final answer
    x = 105,087.25

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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.