Home / 108,570.85-163,041.26-70,684.65

Finding the Fourth Proportional to 108,570.85, 163,041.26 and 70,684.65

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Solution

The fourth proportional to 108,570.85, 163,041.26 and 70,684.65 is: 106,147.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,570.85 : 163,041.26 = 70,684.65 : x
  2. Step 2: Convert to fraction form
    108,570.85/163,041.26 = 70,684.65/x
  3. Step 3: Cross multiply
    108,570.85x = 163,041.26 × 70,684.65
  4. Step 4: Simplify right side
    108,570.85x = 11,524,514,045.24
  5. Step 5: Solve for x
    x = 11,524,514,045.24/108,570.85
  6. Step 6: Final answer
    x = 106,147.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.