Home / 94,238.34-141,345.36-78,541.44

Finding the Fourth Proportional to 94,238.34, 141,345.36 and 78,541.44

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Solution

The fourth proportional to 94,238.34, 141,345.36 and 78,541.44 is: 117,802.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,238.34 : 141,345.36 = 78,541.44 : x
  2. Step 2: Convert to fraction form
    94,238.34/141,345.36 = 78,541.44/x
  3. Step 3: Cross multiply
    94,238.34x = 141,345.36 × 78,541.44
  4. Step 4: Simplify right side
    94,238.34x = 11,101,468,111.72
  5. Step 5: Solve for x
    x = 11,101,468,111.72/94,238.34
  6. Step 6: Final answer
    x = 117,802.03

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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.