Home / 139,246.30-192,154.74-75,582.74

Finding the Fourth Proportional to 139,246.30, 192,154.74 and 75,582.74

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Solution

The fourth proportional to 139,246.30, 192,154.74 and 75,582.74 is: 104,301.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,246.30 : 192,154.74 = 75,582.74 : x
  2. Step 2: Convert to fraction form
    139,246.30/192,154.74 = 75,582.74/x
  3. Step 3: Cross multiply
    139,246.30x = 192,154.74 × 75,582.74
  4. Step 4: Simplify right side
    139,246.30x = 14,523,581,753.19
  5. Step 5: Solve for x
    x = 14,523,581,753.19/139,246.30
  6. Step 6: Final answer
    x = 104,301.38

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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.