Home / 70,146.40-105,220.02-23,399.14

Finding the Fourth Proportional to 70,146.40, 105,220.02 and 23,399.14

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Solution

The fourth proportional to 70,146.40, 105,220.02 and 23,399.14 is: 35,098.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,146.40 : 105,220.02 = 23,399.14 : x
  2. Step 2: Convert to fraction form
    70,146.40/105,220.02 = 23,399.14/x
  3. Step 3: Cross multiply
    70,146.40x = 105,220.02 × 23,399.14
  4. Step 4: Simplify right side
    70,146.40x = 2,462,057,978.78
  5. Step 5: Solve for x
    x = 2,462,057,978.78/70,146.40
  6. Step 6: Final answer
    x = 35,098.85

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1.5x scale

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.