Home / 97,693.90-146,539.26-31,133.13

Finding the Fourth Proportional to 97,693.90, 146,539.26 and 31,133.13

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Solution

The fourth proportional to 97,693.90, 146,539.26 and 31,133.13 is: 46,699.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,693.90 : 146,539.26 = 31,133.13 : x
  2. Step 2: Convert to fraction form
    97,693.90/146,539.26 = 31,133.13/x
  3. Step 3: Cross multiply
    97,693.90x = 146,539.26 × 31,133.13
  4. Step 4: Simplify right side
    97,693.90x = 4,562,225,831.68
  5. Step 5: Solve for x
    x = 4,562,225,831.68/97,693.90
  6. Step 6: Final answer
    x = 46,699.19

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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.