Home / 152,789.15-210,845.76-84,802.16

Finding the Fourth Proportional to 152,789.15, 210,845.76 and 84,802.16

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Solution

The fourth proportional to 152,789.15, 210,845.76 and 84,802.16 is: 117,025.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,789.15 : 210,845.76 = 84,802.16 : x
  2. Step 2: Convert to fraction form
    152,789.15/210,845.76 = 84,802.16/x
  3. Step 3: Cross multiply
    152,789.15x = 210,845.76 × 84,802.16
  4. Step 4: Simplify right side
    152,789.15x = 17,880,175,874.84
  5. Step 5: Solve for x
    x = 17,880,175,874.84/152,789.15
  6. Step 6: Final answer
    x = 117,025.17

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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.