Home / 97,243.86-145,865.80-30,689.18

Finding the Fourth Proportional to 97,243.86, 145,865.80 and 30,689.18

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Solution

The fourth proportional to 97,243.86, 145,865.80 and 30,689.18 is: 46,033.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,243.86 : 145,865.80 = 30,689.18 : x
  2. Step 2: Convert to fraction form
    97,243.86/145,865.80 = 30,689.18/x
  3. Step 3: Cross multiply
    97,243.86x = 145,865.80 × 30,689.18
  4. Step 4: Simplify right side
    97,243.86x = 4,476,501,792.04
  5. Step 5: Solve for x
    x = 4,476,501,792.04/97,243.86
  6. Step 6: Final answer
    x = 46,033.77

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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.