Home / 251,052.57-346,455-137,875.32

Finding the Fourth Proportional to 251,052.57, 346,455 and 137,875.32

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Solution

The fourth proportional to 251,052.57, 346,455 and 137,875.32 is: 190,269.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,052.57 : 346,455 = 137,875.32 : x
  2. Step 2: Convert to fraction form
    251,052.57/346,455 = 137,875.32/x
  3. Step 3: Cross multiply
    251,052.57x = 346,455 × 137,875.32
  4. Step 4: Simplify right side
    251,052.57x = 47,767,593,990.60
  5. Step 5: Solve for x
    x = 47,767,593,990.60/251,052.57
  6. Step 6: Final answer
    x = 190,269.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.