Home / 140,670.73-194,125.76-77,008.67

Finding the Fourth Proportional to 140,670.73, 194,125.76 and 77,008.67

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Solution

The fourth proportional to 140,670.73, 194,125.76 and 77,008.67 is: 106,272.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,670.73 : 194,125.76 = 77,008.67 : x
  2. Step 2: Convert to fraction form
    140,670.73/194,125.76 = 77,008.67/x
  3. Step 3: Cross multiply
    140,670.73x = 194,125.76 × 77,008.67
  4. Step 4: Simplify right side
    140,670.73x = 14,949,366,590.34
  5. Step 5: Solve for x
    x = 14,949,366,590.34/140,670.73
  6. Step 6: Final answer
    x = 106,272.05

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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.