Home / 118,848.06-164,010.56-65,135.07

Finding the Fourth Proportional to 118,848.06, 164,010.56 and 65,135.07

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Solution

The fourth proportional to 118,848.06, 164,010.56 and 65,135.07 is: 89,886.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,848.06 : 164,010.56 = 65,135.07 : x
  2. Step 2: Convert to fraction form
    118,848.06/164,010.56 = 65,135.07/x
  3. Step 3: Cross multiply
    118,848.06x = 164,010.56 × 65,135.07
  4. Step 4: Simplify right side
    118,848.06x = 10,682,838,980.66
  5. Step 5: Solve for x
    x = 10,682,838,980.66/118,848.06
  6. Step 6: Final answer
    x = 89,886.52

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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.