Home / 152,899.26-210,993.80-84,920.63

Finding the Fourth Proportional to 152,899.26, 210,993.80 and 84,920.63

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Solution

The fourth proportional to 152,899.26, 210,993.80 and 84,920.63 is: 117,186.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,899.26 : 210,993.80 = 84,920.63 : x
  2. Step 2: Convert to fraction form
    152,899.26/210,993.80 = 84,920.63/x
  3. Step 3: Cross multiply
    152,899.26x = 210,993.80 × 84,920.63
  4. Step 4: Simplify right side
    152,899.26x = 17,917,724,942.52
  5. Step 5: Solve for x
    x = 17,917,724,942.52/152,899.26
  6. Step 6: Final answer
    x = 117,186.47

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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.