Home / 143,140-214,733.46-58,877.32

Finding the Fourth Proportional to 143,140, 214,733.46 and 58,877.32

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Solution

The fourth proportional to 143,140, 214,733.46 and 58,877.32 is: 88,325.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,140 : 214,733.46 = 58,877.32 : x
  2. Step 2: Convert to fraction form
    143,140/214,733.46 = 58,877.32/x
  3. Step 3: Cross multiply
    143,140x = 214,733.46 × 58,877.32
  4. Step 4: Simplify right side
    143,140x = 12,642,930,639.13
  5. Step 5: Solve for x
    x = 12,642,930,639.13/143,140
  6. Step 6: Final answer
    x = 88,325.63

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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.