Home / 124,625.40-186,938.10-91,164.30

Finding the Fourth Proportional to 124,625.40, 186,938.10 and 91,164.30

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Solution

The fourth proportional to 124,625.40, 186,938.10 and 91,164.30 is: 136,746.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,625.40 : 186,938.10 = 91,164.30 : x
  2. Step 2: Convert to fraction form
    124,625.40/186,938.10 = 91,164.30/x
  3. Step 3: Cross multiply
    124,625.40x = 186,938.10 × 91,164.30
  4. Step 4: Simplify right side
    124,625.40x = 17,042,081,029.83
  5. Step 5: Solve for x
    x = 17,042,081,029.83/124,625.40
  6. Step 6: Final answer
    x = 136,746.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.