Home / 142,908.61-214,371.33-48,130.87

Finding the Fourth Proportional to 142,908.61, 214,371.33 and 48,130.87

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Solution

The fourth proportional to 142,908.61, 214,371.33 and 48,130.87 is: 72,199.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,908.61 : 214,371.33 = 48,130.87 : x
  2. Step 2: Convert to fraction form
    142,908.61/214,371.33 = 48,130.87/x
  3. Step 3: Cross multiply
    142,908.61x = 214,371.33 × 48,130.87
  4. Step 4: Simplify right side
    142,908.61x = 10,317,878,615.96
  5. Step 5: Solve for x
    x = 10,317,878,615.96/142,908.61
  6. Step 6: Final answer
    x = 72,199.14

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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.