Home / 121,215.63-181,823.59-36,971.34

Finding the Fourth Proportional to 121,215.63, 181,823.59 and 36,971.34

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Solution

The fourth proportional to 121,215.63, 181,823.59 and 36,971.34 is: 55,457.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,215.63 : 181,823.59 = 36,971.34 : x
  2. Step 2: Convert to fraction form
    121,215.63/181,823.59 = 36,971.34/x
  3. Step 3: Cross multiply
    121,215.63x = 181,823.59 × 36,971.34
  4. Step 4: Simplify right side
    121,215.63x = 6,722,261,130.29
  5. Step 5: Solve for x
    x = 6,722,261,130.29/121,215.63
  6. Step 6: Final answer
    x = 55,457.05

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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.