Home / 185,269.22-255,671.76-100,386.26

Finding the Fourth Proportional to 185,269.22, 255,671.76 and 100,386.26

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Solution

The fourth proportional to 185,269.22, 255,671.76 and 100,386.26 is: 138,533.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,269.22 : 255,671.76 = 100,386.26 : x
  2. Step 2: Convert to fraction form
    185,269.22/255,671.76 = 100,386.26/x
  3. Step 3: Cross multiply
    185,269.22x = 255,671.76 × 100,386.26
  4. Step 4: Simplify right side
    185,269.22x = 25,665,931,774.02
  5. Step 5: Solve for x
    x = 25,665,931,774.02/185,269.22
  6. Step 6: Final answer
    x = 138,533.17

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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.