Home / 118,715.40-163,825.07-64,999.44

Finding the Fourth Proportional to 118,715.40, 163,825.07 and 64,999.44

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Solution

The fourth proportional to 118,715.40, 163,825.07 and 64,999.44 is: 89,698.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,715.40 : 163,825.07 = 64,999.44 : x
  2. Step 2: Convert to fraction form
    118,715.40/163,825.07 = 64,999.44/x
  3. Step 3: Cross multiply
    118,715.40x = 163,825.07 × 64,999.44
  4. Step 4: Simplify right side
    118,715.40x = 10,648,537,482.96
  5. Step 5: Solve for x
    x = 10,648,537,482.96/118,715.40
  6. Step 6: Final answer
    x = 89,698.03

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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.