Home / 152,878.12-210,964.71-84,899.41

Finding the Fourth Proportional to 152,878.12, 210,964.71 and 84,899.41

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Solution

The fourth proportional to 152,878.12, 210,964.71 and 84,899.41 is: 117,157.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,878.12 : 210,964.71 = 84,899.41 : x
  2. Step 2: Convert to fraction form
    152,878.12/210,964.71 = 84,899.41/x
  3. Step 3: Cross multiply
    152,878.12x = 210,964.71 × 84,899.41
  4. Step 4: Simplify right side
    152,878.12x = 17,910,778,355.00
  5. Step 5: Solve for x
    x = 17,910,778,355.00/152,878.12
  6. Step 6: Final answer
    x = 117,157.24

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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.