Home / 152,448.30-210,311.64-91,985.22

Finding the Fourth Proportional to 152,448.30, 210,311.64 and 91,985.22

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Solution

The fourth proportional to 152,448.30, 210,311.64 and 91,985.22 is: 126,899.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,448.30 : 210,311.64 = 91,985.22 : x
  2. Step 2: Convert to fraction form
    152,448.30/210,311.64 = 91,985.22/x
  3. Step 3: Cross multiply
    152,448.30x = 210,311.64 × 91,985.22
  4. Step 4: Simplify right side
    152,448.30x = 19,345,562,473.96
  5. Step 5: Solve for x
    x = 19,345,562,473.96/152,448.30
  6. Step 6: Final answer
    x = 126,899.17

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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.