Home / 121,085.61-181,635.23-36,848.51

Finding the Fourth Proportional to 121,085.61, 181,635.23 and 36,848.51

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Solution

The fourth proportional to 121,085.61, 181,635.23 and 36,848.51 is: 55,274.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,085.61 : 181,635.23 = 36,848.51 : x
  2. Step 2: Convert to fraction form
    121,085.61/181,635.23 = 36,848.51/x
  3. Step 3: Cross multiply
    121,085.61x = 181,635.23 × 36,848.51
  4. Step 4: Simplify right side
    121,085.61x = 6,692,987,134.92
  5. Step 5: Solve for x
    x = 6,692,987,134.92/121,085.61
  6. Step 6: Final answer
    x = 55,274.84

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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.