Home / 140,331.64-193,657.08-76,670.50

Finding the Fourth Proportional to 140,331.64, 193,657.08 and 76,670.50

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Solution

The fourth proportional to 140,331.64, 193,657.08 and 76,670.50 is: 105,804.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,331.64 : 193,657.08 = 76,670.50 : x
  2. Step 2: Convert to fraction form
    140,331.64/193,657.08 = 76,670.50/x
  3. Step 3: Cross multiply
    140,331.64x = 193,657.08 × 76,670.50
  4. Step 4: Simplify right side
    140,331.64x = 14,847,785,152.14
  5. Step 5: Solve for x
    x = 14,847,785,152.14/140,331.64
  6. Step 6: Final answer
    x = 105,804.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.