Home / 115,271.85-159,071.99-64,286.13

Finding the Fourth Proportional to 115,271.85, 159,071.99 and 64,286.13

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Solution

The fourth proportional to 115,271.85, 159,071.99 and 64,286.13 is: 88,713.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,271.85 : 159,071.99 = 64,286.13 : x
  2. Step 2: Convert to fraction form
    115,271.85/159,071.99 = 64,286.13/x
  3. Step 3: Cross multiply
    115,271.85x = 159,071.99 × 64,286.13
  4. Step 4: Simplify right side
    115,271.85x = 10,226,122,307.07
  5. Step 5: Solve for x
    x = 10,226,122,307.07/115,271.85
  6. Step 6: Final answer
    x = 88,713.09

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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.