Home / 140,342.63-193,677.08-76,684.52

Finding the Fourth Proportional to 140,342.63, 193,677.08 and 76,684.52

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Solution

The fourth proportional to 140,342.63, 193,677.08 and 76,684.52 is: 105,826.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,342.63 : 193,677.08 = 76,684.52 : x
  2. Step 2: Convert to fraction form
    140,342.63/193,677.08 = 76,684.52/x
  3. Step 3: Cross multiply
    140,342.63x = 193,677.08 × 76,684.52
  4. Step 4: Simplify right side
    140,342.63x = 14,852,034,015.57
  5. Step 5: Solve for x
    x = 14,852,034,015.57/140,342.63
  6. Step 6: Final answer
    x = 105,826.96

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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.