Home / 143,172.30-214,703.73-47,087.16

Finding the Fourth Proportional to 143,172.30, 214,703.73 and 47,087.16

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Solution

The fourth proportional to 143,172.30, 214,703.73 and 47,087.16 is: 70,612.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,172.30 : 214,703.73 = 47,087.16 : x
  2. Step 2: Convert to fraction form
    143,172.30/214,703.73 = 47,087.16/x
  3. Step 3: Cross multiply
    143,172.30x = 214,703.73 × 47,087.16
  4. Step 4: Simplify right side
    143,172.30x = 10,109,788,887.11
  5. Step 5: Solve for x
    x = 10,109,788,887.11/143,172.30
  6. Step 6: Final answer
    x = 70,612.74

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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.