Home / 109,010.51-163,515.83-30,124.80

Finding the Fourth Proportional to 109,010.51, 163,515.83 and 30,124.80

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Solution

The fourth proportional to 109,010.51, 163,515.83 and 30,124.80 is: 45,187.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,010.51 : 163,515.83 = 30,124.80 : x
  2. Step 2: Convert to fraction form
    109,010.51/163,515.83 = 30,124.80/x
  3. Step 3: Cross multiply
    109,010.51x = 163,515.83 × 30,124.80
  4. Step 4: Simplify right side
    109,010.51x = 4,925,881,524.96
  5. Step 5: Solve for x
    x = 4,925,881,524.96/109,010.51
  6. Step 6: Final answer
    x = 45,187.22

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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.