Home / 142,972.40-214,389.20-43,113.98

Finding the Fourth Proportional to 142,972.40, 214,389.20 and 43,113.98

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Solution

The fourth proportional to 142,972.40, 214,389.20 and 43,113.98 is: 64,650.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,972.40 : 214,389.20 = 43,113.98 : x
  2. Step 2: Convert to fraction form
    142,972.40/214,389.20 = 43,113.98/x
  3. Step 3: Cross multiply
    142,972.40x = 214,389.20 × 43,113.98
  4. Step 4: Simplify right side
    142,972.40x = 9,243,171,681.02
  5. Step 5: Solve for x
    x = 9,243,171,681.02/142,972.40
  6. Step 6: Final answer
    x = 64,650.04

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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.