Home / 139,124.04-208,718.46-45,624.12

Finding the Fourth Proportional to 139,124.04, 208,718.46 and 45,624.12

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Solution

The fourth proportional to 139,124.04, 208,718.46 and 45,624.12 is: 68,446.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,124.04 : 208,718.46 = 45,624.12 : x
  2. Step 2: Convert to fraction form
    139,124.04/208,718.46 = 45,624.12/x
  3. Step 3: Cross multiply
    139,124.04x = 208,718.46 × 45,624.12
  4. Step 4: Simplify right side
    139,124.04x = 9,522,596,065.26
  5. Step 5: Solve for x
    x = 9,522,596,065.26/139,124.04
  6. Step 6: Final answer
    x = 68,446.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.