Home / 152,704.04-210,724.47-84,720.29

Finding the Fourth Proportional to 152,704.04, 210,724.47 and 84,720.29

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Solution

The fourth proportional to 152,704.04, 210,724.47 and 84,720.29 is: 116,910.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,704.04 : 210,724.47 = 84,720.29 : x
  2. Step 2: Convert to fraction form
    152,704.04/210,724.47 = 84,720.29/x
  3. Step 3: Cross multiply
    152,704.04x = 210,724.47 × 84,720.29
  4. Step 4: Simplify right side
    152,704.04x = 17,852,638,735.31
  5. Step 5: Solve for x
    x = 17,852,638,735.31/152,704.04
  6. Step 6: Final answer
    x = 116,910.06

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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.