Home / 97,126.58-145,629.56-40,937.78

Finding the Fourth Proportional to 97,126.58, 145,629.56 and 40,937.78

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Solution

The fourth proportional to 97,126.58, 145,629.56 and 40,937.78 is: 61,381.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,126.58 : 145,629.56 = 40,937.78 : x
  2. Step 2: Convert to fraction form
    97,126.58/145,629.56 = 40,937.78/x
  3. Step 3: Cross multiply
    97,126.58x = 145,629.56 × 40,937.78
  4. Step 4: Simplify right side
    97,126.58x = 5,961,750,888.78
  5. Step 5: Solve for x
    x = 5,961,750,888.78/97,126.58
  6. Step 6: Final answer
    x = 61,381.25

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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.