Home / 102,419.80-153,629.70-62,848.60

Finding the Fourth Proportional to 102,419.80, 153,629.70 and 62,848.60

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Solution

The fourth proportional to 102,419.80, 153,629.70 and 62,848.60 is: 94,272.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,419.80 : 153,629.70 = 62,848.60 : x
  2. Step 2: Convert to fraction form
    102,419.80/153,629.70 = 62,848.60/x
  3. Step 3: Cross multiply
    102,419.80x = 153,629.70 × 62,848.60
  4. Step 4: Simplify right side
    102,419.80x = 9,655,411,563.42
  5. Step 5: Solve for x
    x = 9,655,411,563.42/102,419.80
  6. Step 6: Final answer
    x = 94,272.90

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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.