Home / 102,283.12-153,445.60-43,118.80

Finding the Fourth Proportional to 102,283.12, 153,445.60 and 43,118.80

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Solution

The fourth proportional to 102,283.12, 153,445.60 and 43,118.80 is: 64,687.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,283.12 : 153,445.60 = 43,118.80 : x
  2. Step 2: Convert to fraction form
    102,283.12/153,445.60 = 43,118.80/x
  3. Step 3: Cross multiply
    102,283.12x = 153,445.60 × 43,118.80
  4. Step 4: Simplify right side
    102,283.12x = 6,616,390,137.28
  5. Step 5: Solve for x
    x = 6,616,390,137.28/102,283.12
  6. Step 6: Final answer
    x = 64,687.02

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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.