Home / 142,683.36-214,035.84-42,835.80

Finding the Fourth Proportional to 142,683.36, 214,035.84 and 42,835.80

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Solution

The fourth proportional to 142,683.36, 214,035.84 and 42,835.80 is: 64,256.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,683.36 : 214,035.84 = 42,835.80 : x
  2. Step 2: Convert to fraction form
    142,683.36/214,035.84 = 42,835.80/x
  3. Step 3: Cross multiply
    142,683.36x = 214,035.84 × 42,835.80
  4. Step 4: Simplify right side
    142,683.36x = 9,168,396,435.07
  5. Step 5: Solve for x
    x = 9,168,396,435.07/142,683.36
  6. Step 6: Final answer
    x = 64,256.94

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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.