Home / 94,746.24-142,090.86-78,064.92

Finding the Fourth Proportional to 94,746.24, 142,090.86 and 78,064.92

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Solution

The fourth proportional to 94,746.24, 142,090.86 and 78,064.92 is: 117,073.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,746.24 : 142,090.86 = 78,064.92 : x
  2. Step 2: Convert to fraction form
    94,746.24/142,090.86 = 78,064.92/x
  3. Step 3: Cross multiply
    94,746.24x = 142,090.86 × 78,064.92
  4. Step 4: Simplify right side
    94,746.24x = 11,092,311,618.63
  5. Step 5: Solve for x
    x = 11,092,311,618.63/94,746.24
  6. Step 6: Final answer
    x = 117,073.90

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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.