Home / 115,064.76-158,779.26-64,073.64

Finding the Fourth Proportional to 115,064.76, 158,779.26 and 64,073.64

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Solution

The fourth proportional to 115,064.76, 158,779.26 and 64,073.64 is: 88,415.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,064.76 : 158,779.26 = 64,073.64 : x
  2. Step 2: Convert to fraction form
    115,064.76/158,779.26 = 64,073.64/x
  3. Step 3: Cross multiply
    115,064.76x = 158,779.26 × 64,073.64
  4. Step 4: Simplify right side
    115,064.76x = 10,173,565,144.71
  5. Step 5: Solve for x
    x = 10,173,565,144.71/115,064.76
  6. Step 6: Final answer
    x = 88,415.99

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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.