Home / 121,085.50-181,635.07-36,848.40

Finding the Fourth Proportional to 121,085.50, 181,635.07 and 36,848.40

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Solution

The fourth proportional to 121,085.50, 181,635.07 and 36,848.40 is: 55,274.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,085.50 : 181,635.07 = 36,848.40 : x
  2. Step 2: Convert to fraction form
    121,085.50/181,635.07 = 36,848.40/x
  3. Step 3: Cross multiply
    121,085.50x = 181,635.07 × 36,848.40
  4. Step 4: Simplify right side
    121,085.50x = 6,692,961,713.39
  5. Step 5: Solve for x
    x = 6,692,961,713.39/121,085.50
  6. Step 6: Final answer
    x = 55,274.68

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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.