Home / 140,292.02-193,602.90-76,629.98

Finding the Fourth Proportional to 140,292.02, 193,602.90 and 76,629.98

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Solution

The fourth proportional to 140,292.02, 193,602.90 and 76,629.98 is: 105,749.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,292.02 : 193,602.90 = 76,629.98 : x
  2. Step 2: Convert to fraction form
    140,292.02/193,602.90 = 76,629.98/x
  3. Step 3: Cross multiply
    140,292.02x = 193,602.90 × 76,629.98
  4. Step 4: Simplify right side
    140,292.02x = 14,835,786,354.94
  5. Step 5: Solve for x
    x = 14,835,786,354.94/140,292.02
  6. Step 6: Final answer
    x = 105,749.32

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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.