Home / 115,268.36-159,071.00-64,284.30

Finding the Fourth Proportional to 115,268.36, 159,071.00 and 64,284.30

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Solution

The fourth proportional to 115,268.36, 159,071.00 and 64,284.30 is: 88,712.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,268.36 : 159,071.00 = 64,284.30 : x
  2. Step 2: Convert to fraction form
    115,268.36/159,071.00 = 64,284.30/x
  3. Step 3: Cross multiply
    115,268.36x = 159,071.00 × 64,284.30
  4. Step 4: Simplify right side
    115,268.36x = 10,225,767,563.88
  5. Step 5: Solve for x
    x = 10,225,767,563.88/115,268.36
  6. Step 6: Final answer
    x = 88,712.70

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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.