Home / 153,776.20-230,837.10-118,870.60

Finding the Fourth Proportional to 153,776.20, 230,837.10 and 118,870.60

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Solution

The fourth proportional to 153,776.20, 230,837.10 and 118,870.60 is: 178,439.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,776.20 : 230,837.10 = 118,870.60 : x
  2. Step 2: Convert to fraction form
    153,776.20/230,837.10 = 118,870.60/x
  3. Step 3: Cross multiply
    153,776.20x = 230,837.10 × 118,870.60
  4. Step 4: Simplify right side
    153,776.20x = 27,439,744,579.26
  5. Step 5: Solve for x
    x = 27,439,744,579.26/153,776.20
  6. Step 6: Final answer
    x = 178,439.48

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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.