Home / 70,143.18-105,215.73-23,396.10

Finding the Fourth Proportional to 70,143.18, 105,215.73 and 23,396.10

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Solution

The fourth proportional to 70,143.18, 105,215.73 and 23,396.10 is: 35,094.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,143.18 : 105,215.73 = 23,396.10 : x
  2. Step 2: Convert to fraction form
    70,143.18/105,215.73 = 23,396.10/x
  3. Step 3: Cross multiply
    70,143.18x = 105,215.73 × 23,396.10
  4. Step 4: Simplify right side
    70,143.18x = 2,461,637,740.65
  5. Step 5: Solve for x
    x = 2,461,637,740.65/70,143.18
  6. Step 6: Final answer
    x = 35,094.47

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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.