Home / 118,094.08-163,015.32-86,513.80

Finding the Fourth Proportional to 118,094.08, 163,015.32 and 86,513.80

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Solution

The fourth proportional to 118,094.08, 163,015.32 and 86,513.80 is: 119,422.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,094.08 : 163,015.32 = 86,513.80 : x
  2. Step 2: Convert to fraction form
    118,094.08/163,015.32 = 86,513.80/x
  3. Step 3: Cross multiply
    118,094.08x = 163,015.32 × 86,513.80
  4. Step 4: Simplify right side
    118,094.08x = 14,103,074,791.42
  5. Step 5: Solve for x
    x = 14,103,074,791.42/118,094.08
  6. Step 6: Final answer
    x = 119,422.37

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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.