Home / 97,578.07-145,966.15-77,895.07

Finding the Fourth Proportional to 97,578.07, 145,966.15 and 77,895.07

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Solution

The fourth proportional to 97,578.07, 145,966.15 and 77,895.07 is: 116,522.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,578.07 : 145,966.15 = 77,895.07 : x
  2. Step 2: Convert to fraction form
    97,578.07/145,966.15 = 77,895.07/x
  3. Step 3: Cross multiply
    97,578.07x = 145,966.15 × 77,895.07
  4. Step 4: Simplify right side
    97,578.07x = 11,370,043,204.33
  5. Step 5: Solve for x
    x = 11,370,043,204.33/97,578.07
  6. Step 6: Final answer
    x = 116,522.53

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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.