Home / 109,929.06-164,903.31-59,987.70

Finding the Fourth Proportional to 109,929.06, 164,903.31 and 59,987.70

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Solution

The fourth proportional to 109,929.06, 164,903.31 and 59,987.70 is: 89,986.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,929.06 : 164,903.31 = 59,987.70 : x
  2. Step 2: Convert to fraction form
    109,929.06/164,903.31 = 59,987.70/x
  3. Step 3: Cross multiply
    109,929.06x = 164,903.31 × 59,987.70
  4. Step 4: Simplify right side
    109,929.06x = 9,892,170,289.29
  5. Step 5: Solve for x
    x = 9,892,170,289.29/109,929.06
  6. Step 6: Final answer
    x = 89,986.85

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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.