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Finding the Fourth Proportional to 102,141.55, 153,106.66 and 38,944.67

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Solution

The fourth proportional to 102,141.55, 153,106.66 and 38,944.67 is: 58,376.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,141.55 : 153,106.66 = 38,944.67 : x
  2. Step 2: Convert to fraction form
    102,141.55/153,106.66 = 38,944.67/x
  3. Step 3: Cross multiply
    102,141.55x = 153,106.66 × 38,944.67
  4. Step 4: Simplify right side
    102,141.55x = 5,962,688,153.78
  5. Step 5: Solve for x
    x = 5,962,688,153.78/102,141.55
  6. Step 6: Final answer
    x = 58,376.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.