Home / 142,870.28-214,307.04-54,099.68

Finding the Fourth Proportional to 142,870.28, 214,307.04 and 54,099.68

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Solution

The fourth proportional to 142,870.28, 214,307.04 and 54,099.68 is: 81,150.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,870.28 : 214,307.04 = 54,099.68 : x
  2. Step 2: Convert to fraction form
    142,870.28/214,307.04 = 54,099.68/x
  3. Step 3: Cross multiply
    142,870.28x = 214,307.04 × 54,099.68
  4. Step 4: Simplify right side
    142,870.28x = 11,593,942,285.75
  5. Step 5: Solve for x
    x = 11,593,942,285.75/142,870.28
  6. Step 6: Final answer
    x = 81,150.13

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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.