Home / 107,104.93-147,808.74-64,655.26

Finding the Fourth Proportional to 107,104.93, 147,808.74 and 64,655.26

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Solution

The fourth proportional to 107,104.93, 147,808.74 and 64,655.26 is: 89,226.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,104.93 : 147,808.74 = 64,655.26 : x
  2. Step 2: Convert to fraction form
    107,104.93/147,808.74 = 64,655.26/x
  3. Step 3: Cross multiply
    107,104.93x = 147,808.74 × 64,655.26
  4. Step 4: Simplify right side
    107,104.93x = 9,556,612,514.97
  5. Step 5: Solve for x
    x = 9,556,612,514.97/107,104.93
  6. Step 6: Final answer
    x = 89,226.64

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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.