Home / 118,242.36-163,173.06-64,528.29

Finding the Fourth Proportional to 118,242.36, 163,173.06 and 64,528.29

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Solution

The fourth proportional to 118,242.36, 163,173.06 and 64,528.29 is: 89,048.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,242.36 : 163,173.06 = 64,528.29 : x
  2. Step 2: Convert to fraction form
    118,242.36/163,173.06 = 64,528.29/x
  3. Step 3: Cross multiply
    118,242.36x = 163,173.06 × 64,528.29
  4. Step 4: Simplify right side
    118,242.36x = 10,529,278,535.87
  5. Step 5: Solve for x
    x = 10,529,278,535.87/118,242.36
  6. Step 6: Final answer
    x = 89,048.28

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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.