Home / 97,386.75-145,220.90-93,917.61

Finding the Fourth Proportional to 97,386.75, 145,220.90 and 93,917.61

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Solution

The fourth proportional to 97,386.75, 145,220.90 and 93,917.61 is: 140,047.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,386.75 : 145,220.90 = 93,917.61 : x
  2. Step 2: Convert to fraction form
    97,386.75/145,220.90 = 93,917.61/x
  3. Step 3: Cross multiply
    97,386.75x = 145,220.90 × 93,917.61
  4. Step 4: Simplify right side
    97,386.75x = 13,638,799,380.46
  5. Step 5: Solve for x
    x = 13,638,799,380.46/97,386.75
  6. Step 6: Final answer
    x = 140,047.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.