Home / 250,386.54-345,522.15-137,206.86

Finding the Fourth Proportional to 250,386.54, 345,522.15 and 137,206.86

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Solution

The fourth proportional to 250,386.54, 345,522.15 and 137,206.86 is: 189,339.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,386.54 : 345,522.15 = 137,206.86 : x
  2. Step 2: Convert to fraction form
    250,386.54/345,522.15 = 137,206.86/x
  3. Step 3: Cross multiply
    250,386.54x = 345,522.15 × 137,206.86
  4. Step 4: Simplify right side
    250,386.54x = 47,408,009,261.95
  5. Step 5: Solve for x
    x = 47,408,009,261.95/250,386.54
  6. Step 6: Final answer
    x = 189,339.29

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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.