Home / 97,984.56-146,998.80-31,430.64

Finding the Fourth Proportional to 97,984.56, 146,998.80 and 31,430.64

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Solution

The fourth proportional to 97,984.56, 146,998.80 and 31,430.64 is: 47,153.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,984.56 : 146,998.80 = 31,430.64 : x
  2. Step 2: Convert to fraction form
    97,984.56/146,998.80 = 31,430.64/x
  3. Step 3: Cross multiply
    97,984.56x = 146,998.80 × 31,430.64
  4. Step 4: Simplify right side
    97,984.56x = 4,620,266,363.23
  5. Step 5: Solve for x
    x = 4,620,266,363.23/97,984.56
  6. Step 6: Final answer
    x = 47,153.00

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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.