Home / 118,703.26-163,810.98-64,993.28

Finding the Fourth Proportional to 118,703.26, 163,810.98 and 64,993.28

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Solution

The fourth proportional to 118,703.26, 163,810.98 and 64,993.28 is: 89,690.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,703.26 : 163,810.98 = 64,993.28 : x
  2. Step 2: Convert to fraction form
    118,703.26/163,810.98 = 64,993.28/x
  3. Step 3: Cross multiply
    118,703.26x = 163,810.98 × 64,993.28
  4. Step 4: Simplify right side
    118,703.26x = 10,646,611,746.19
  5. Step 5: Solve for x
    x = 10,646,611,746.19/118,703.26
  6. Step 6: Final answer
    x = 89,690.98

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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.