Home / 125,200.08-172,779.48-68,613.84

Finding the Fourth Proportional to 125,200.08, 172,779.48 and 68,613.84

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Solution

The fourth proportional to 125,200.08, 172,779.48 and 68,613.84 is: 94,688.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,200.08 : 172,779.48 = 68,613.84 : x
  2. Step 2: Convert to fraction form
    125,200.08/172,779.48 = 68,613.84/x
  3. Step 3: Cross multiply
    125,200.08x = 172,779.48 × 68,613.84
  4. Step 4: Simplify right side
    125,200.08x = 11,855,063,596.00
  5. Step 5: Solve for x
    x = 11,855,063,596.00/125,200.08
  6. Step 6: Final answer
    x = 94,688.95

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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.