Home / 139,173.63-208,758.02-96,439.65

Finding the Fourth Proportional to 139,173.63, 208,758.02 and 96,439.65

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Solution

The fourth proportional to 139,173.63, 208,758.02 and 96,439.65 is: 144,657.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,173.63 : 208,758.02 = 96,439.65 : x
  2. Step 2: Convert to fraction form
    139,173.63/208,758.02 = 96,439.65/x
  3. Step 3: Cross multiply
    139,173.63x = 208,758.02 × 96,439.65
  4. Step 4: Simplify right side
    139,173.63x = 20,132,549,901.29
  5. Step 5: Solve for x
    x = 20,132,549,901.29/139,173.63
  6. Step 6: Final answer
    x = 144,657.79

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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.