Home / 152,684.83-210,705.60-84,703.15

Finding the Fourth Proportional to 152,684.83, 210,705.60 and 84,703.15

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Solution

The fourth proportional to 152,684.83, 210,705.60 and 84,703.15 is: 116,890.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,684.83 : 210,705.60 = 84,703.15 : x
  2. Step 2: Convert to fraction form
    152,684.83/210,705.60 = 84,703.15/x
  3. Step 3: Cross multiply
    152,684.83x = 210,705.60 × 84,703.15
  4. Step 4: Simplify right side
    152,684.83x = 17,847,428,042.64
  5. Step 5: Solve for x
    x = 17,847,428,042.64/152,684.83
  6. Step 6: Final answer
    x = 116,890.64

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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.