Home / 210,433.64-290,399.31-118,554.03

Finding the Fourth Proportional to 210,433.64, 290,399.31 and 118,554.03

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Solution

The fourth proportional to 210,433.64, 290,399.31 and 118,554.03 is: 163,605.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,433.64 : 290,399.31 = 118,554.03 : x
  2. Step 2: Convert to fraction form
    210,433.64/290,399.31 = 118,554.03/x
  3. Step 3: Cross multiply
    210,433.64x = 290,399.31 × 118,554.03
  4. Step 4: Simplify right side
    210,433.64x = 34,428,008,509.72
  5. Step 5: Solve for x
    x = 34,428,008,509.72/210,433.64
  6. Step 6: Final answer
    x = 163,605.06

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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.