Home / 142,688.10-214,046.29-52,754.41

Finding the Fourth Proportional to 142,688.10, 214,046.29 and 52,754.41

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Solution

The fourth proportional to 142,688.10, 214,046.29 and 52,754.41 is: 79,136.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,688.10 : 214,046.29 = 52,754.41 : x
  2. Step 2: Convert to fraction form
    142,688.10/214,046.29 = 52,754.41/x
  3. Step 3: Cross multiply
    142,688.10x = 214,046.29 × 52,754.41
  4. Step 4: Simplify right side
    142,688.10x = 11,291,884,671.41
  5. Step 5: Solve for x
    x = 11,291,884,671.41/142,688.10
  6. Step 6: Final answer
    x = 79,136.84

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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.