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Finding the Fourth Proportional to 118,735.68, 163,852.98 and 65,018.10

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Solution

The fourth proportional to 118,735.68, 163,852.98 and 65,018.10 is: 89,723.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,735.68 : 163,852.98 = 65,018.10 : x
  2. Step 2: Convert to fraction form
    118,735.68/163,852.98 = 65,018.10/x
  3. Step 3: Cross multiply
    118,735.68x = 163,852.98 × 65,018.10
  4. Step 4: Simplify right side
    118,735.68x = 10,653,409,438.94
  5. Step 5: Solve for x
    x = 10,653,409,438.94/118,735.68
  6. Step 6: Final answer
    x = 89,723.74

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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.