Home / 140,678.48-194,149.50-84,088.64

Finding the Fourth Proportional to 140,678.48, 194,149.50 and 84,088.64

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Solution

The fourth proportional to 140,678.48, 194,149.50 and 84,088.64 is: 116,050.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,678.48 : 194,149.50 = 84,088.64 : x
  2. Step 2: Convert to fraction form
    140,678.48/194,149.50 = 84,088.64/x
  3. Step 3: Cross multiply
    140,678.48x = 194,149.50 × 84,088.64
  4. Step 4: Simplify right side
    140,678.48x = 16,325,767,411.68
  5. Step 5: Solve for x
    x = 16,325,767,411.68/140,678.48
  6. Step 6: Final answer
    x = 116,050.21

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1.5x scale

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.