Home / 183,678.16-275,258.04-78,460.24

Finding the Fourth Proportional to 183,678.16, 275,258.04 and 78,460.24

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Solution

The fourth proportional to 183,678.16, 275,258.04 and 78,460.24 is: 117,579.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,678.16 : 275,258.04 = 78,460.24 : x
  2. Step 2: Convert to fraction form
    183,678.16/275,258.04 = 78,460.24/x
  3. Step 3: Cross multiply
    183,678.16x = 275,258.04 × 78,460.24
  4. Step 4: Simplify right side
    183,678.16x = 21,596,811,880.33
  5. Step 5: Solve for x
    x = 21,596,811,880.33/183,678.16
  6. Step 6: Final answer
    x = 117,579.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.