Home / 118,321.98-163,284.63-64,607.10

Finding the Fourth Proportional to 118,321.98, 163,284.63 and 64,607.10

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Solution

The fourth proportional to 118,321.98, 163,284.63 and 64,607.10 is: 89,157.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,321.98 : 163,284.63 = 64,607.10 : x
  2. Step 2: Convert to fraction form
    118,321.98/163,284.63 = 64,607.10/x
  3. Step 3: Cross multiply
    118,321.98x = 163,284.63 × 64,607.10
  4. Step 4: Simplify right side
    118,321.98x = 10,549,346,418.87
  5. Step 5: Solve for x
    x = 10,549,346,418.87/118,321.98
  6. Step 6: Final answer
    x = 89,157.96

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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.