Home / 139,167.02-208,761.81-39,328.04

Finding the Fourth Proportional to 139,167.02, 208,761.81 and 39,328.04

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Solution

The fourth proportional to 139,167.02, 208,761.81 and 39,328.04 is: 58,995.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,167.02 : 208,761.81 = 39,328.04 : x
  2. Step 2: Convert to fraction form
    139,167.02/208,761.81 = 39,328.04/x
  3. Step 3: Cross multiply
    139,167.02x = 208,761.81 × 39,328.04
  4. Step 4: Simplify right side
    139,167.02x = 8,210,192,814.15
  5. Step 5: Solve for x
    x = 8,210,192,814.15/139,167.02
  6. Step 6: Final answer
    x = 58,995.25

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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.