Home / 142,919.63-214,507.93-105,017.10

Finding the Fourth Proportional to 142,919.63, 214,507.93 and 105,017.10

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Solution

The fourth proportional to 142,919.63, 214,507.93 and 105,017.10 is: 157,620.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,919.63 : 214,507.93 = 105,017.10 : x
  2. Step 2: Convert to fraction form
    142,919.63/214,507.93 = 105,017.10/x
  3. Step 3: Cross multiply
    142,919.63x = 214,507.93 × 105,017.10
  4. Step 4: Simplify right side
    142,919.63x = 22,527,000,735.60
  5. Step 5: Solve for x
    x = 22,527,000,735.60/142,919.63
  6. Step 6: Final answer
    x = 157,620.06

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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.