Home / 143,701.04-198,333.48-83,310.32

Finding the Fourth Proportional to 143,701.04, 198,333.48 and 83,310.32

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Solution

The fourth proportional to 143,701.04, 198,333.48 and 83,310.32 is: 114,983.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,701.04 : 198,333.48 = 83,310.32 : x
  2. Step 2: Convert to fraction form
    143,701.04/198,333.48 = 83,310.32/x
  3. Step 3: Cross multiply
    143,701.04x = 198,333.48 × 83,310.32
  4. Step 4: Simplify right side
    143,701.04x = 16,523,225,685.51
  5. Step 5: Solve for x
    x = 16,523,225,685.51/143,701.04
  6. Step 6: Final answer
    x = 114,983.34

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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.