Home / 98,807.74-136,433.27-91,251.29

Finding the Fourth Proportional to 98,807.74, 136,433.27 and 91,251.29

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Solution

The fourth proportional to 98,807.74, 136,433.27 and 91,251.29 is: 125,999.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,807.74 : 136,433.27 = 91,251.29 : x
  2. Step 2: Convert to fraction form
    98,807.74/136,433.27 = 91,251.29/x
  3. Step 3: Cross multiply
    98,807.74x = 136,433.27 × 91,251.29
  4. Step 4: Simplify right side
    98,807.74x = 12,449,712,455.63
  5. Step 5: Solve for x
    x = 12,449,712,455.63/98,807.74
  6. Step 6: Final answer
    x = 125,999.37

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1.5x scale

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.