Home / 92,055.16-138,185.22-47,670.04

Finding the Fourth Proportional to 92,055.16, 138,185.22 and 47,670.04

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Solution

The fourth proportional to 92,055.16, 138,185.22 and 47,670.04 is: 71,558.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,055.16 : 138,185.22 = 47,670.04 : x
  2. Step 2: Convert to fraction form
    92,055.16/138,185.22 = 47,670.04/x
  3. Step 3: Cross multiply
    92,055.16x = 138,185.22 × 47,670.04
  4. Step 4: Simplify right side
    92,055.16x = 6,587,294,964.81
  5. Step 5: Solve for x
    x = 6,587,294,964.81/92,055.16
  6. Step 6: Final answer
    x = 71,558.13

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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.