Home / 154,802.04-213,629.22-86,834.10

Finding the Fourth Proportional to 154,802.04, 213,629.22 and 86,834.10

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Solution

The fourth proportional to 154,802.04, 213,629.22 and 86,834.10 is: 119,832.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,802.04 : 213,629.22 = 86,834.10 : x
  2. Step 2: Convert to fraction form
    154,802.04/213,629.22 = 86,834.10/x
  3. Step 3: Cross multiply
    154,802.04x = 213,629.22 × 86,834.10
  4. Step 4: Simplify right side
    154,802.04x = 18,550,301,052.40
  5. Step 5: Solve for x
    x = 18,550,301,052.40/154,802.04
  6. Step 6: Final answer
    x = 119,832.41

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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.