Home / 137,894.02-190,366.32-92,809.06

Finding the Fourth Proportional to 137,894.02, 190,366.32 and 92,809.06

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Solution

The fourth proportional to 137,894.02, 190,366.32 and 92,809.06 is: 128,125.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,894.02 : 190,366.32 = 92,809.06 : x
  2. Step 2: Convert to fraction form
    137,894.02/190,366.32 = 92,809.06/x
  3. Step 3: Cross multiply
    137,894.02x = 190,366.32 × 92,809.06
  4. Step 4: Simplify right side
    137,894.02x = 17,667,719,214.86
  5. Step 5: Solve for x
    x = 17,667,719,214.86/137,894.02
  6. Step 6: Final answer
    x = 128,125.35

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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.