Home / 85,329.20-127,994.76-26,165.36

Finding the Fourth Proportional to 85,329.20, 127,994.76 and 26,165.36

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Solution

The fourth proportional to 85,329.20, 127,994.76 and 26,165.36 is: 39,248.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,329.20 : 127,994.76 = 26,165.36 : x
  2. Step 2: Convert to fraction form
    85,329.20/127,994.76 = 26,165.36/x
  3. Step 3: Cross multiply
    85,329.20x = 127,994.76 × 26,165.36
  4. Step 4: Simplify right side
    85,329.20x = 3,349,028,973.51
  5. Step 5: Solve for x
    x = 3,349,028,973.51/85,329.20
  6. Step 6: Final answer
    x = 39,248.33

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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.