Home / 140,307.96-193,617.75-76,633.45

Finding the Fourth Proportional to 140,307.96, 193,617.75 and 76,633.45

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Solution

The fourth proportional to 140,307.96, 193,617.75 and 76,633.45 is: 105,750.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,307.96 : 193,617.75 = 76,633.45 : x
  2. Step 2: Convert to fraction form
    140,307.96/193,617.75 = 76,633.45/x
  3. Step 3: Cross multiply
    140,307.96x = 193,617.75 × 76,633.45
  4. Step 4: Simplify right side
    140,307.96x = 14,837,596,163.74
  5. Step 5: Solve for x
    x = 14,837,596,163.74/140,307.96
  6. Step 6: Final answer
    x = 105,750.21

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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.