Home / 121,219.79-181,857.23-36,987.50

Finding the Fourth Proportional to 121,219.79, 181,857.23 and 36,987.50

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Solution

The fourth proportional to 121,219.79, 181,857.23 and 36,987.50 is: 55,489.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,219.79 : 181,857.23 = 36,987.50 : x
  2. Step 2: Convert to fraction form
    121,219.79/181,857.23 = 36,987.50/x
  3. Step 3: Cross multiply
    121,219.79x = 181,857.23 × 36,987.50
  4. Step 4: Simplify right side
    121,219.79x = 6,726,443,477.81
  5. Step 5: Solve for x
    x = 6,726,443,477.81/121,219.79
  6. Step 6: Final answer
    x = 55,489.65

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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.