Home / 220,064.12-330,024.93-70,269.31

Finding the Fourth Proportional to 220,064.12, 330,024.93 and 70,269.31

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Solution

The fourth proportional to 220,064.12, 330,024.93 and 70,269.31 is: 105,381.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,064.12 : 330,024.93 = 70,269.31 : x
  2. Step 2: Convert to fraction form
    220,064.12/330,024.93 = 70,269.31/x
  3. Step 3: Cross multiply
    220,064.12x = 330,024.93 × 70,269.31
  4. Step 4: Simplify right side
    220,064.12x = 23,190,624,113.90
  5. Step 5: Solve for x
    x = 23,190,624,113.90/220,064.12
  6. Step 6: Final answer
    x = 105,381.21

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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.