Home / 97,429.03-134,453.72-57,143.88

Finding the Fourth Proportional to 97,429.03, 134,453.72 and 57,143.88

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Solution

The fourth proportional to 97,429.03, 134,453.72 and 57,143.88 is: 78,859.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,429.03 : 134,453.72 = 57,143.88 : x
  2. Step 2: Convert to fraction form
    97,429.03/134,453.72 = 57,143.88/x
  3. Step 3: Cross multiply
    97,429.03x = 134,453.72 × 57,143.88
  4. Step 4: Simplify right side
    97,429.03x = 7,683,207,384.09
  5. Step 5: Solve for x
    x = 7,683,207,384.09/97,429.03
  6. Step 6: Final answer
    x = 78,859.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.