Home / 104,976.90-157,465.35-99,290.70

Finding the Fourth Proportional to 104,976.90, 157,465.35 and 99,290.70

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Solution

The fourth proportional to 104,976.90, 157,465.35 and 99,290.70 is: 148,936.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976.90 : 157,465.35 = 99,290.70 : x
  2. Step 2: Convert to fraction form
    104,976.90/157,465.35 = 99,290.70/x
  3. Step 3: Cross multiply
    104,976.90x = 157,465.35 × 99,290.70
  4. Step 4: Simplify right side
    104,976.90x = 15,634,844,827.25
  5. Step 5: Solve for x
    x = 15,634,844,827.25/104,976.90
  6. Step 6: Final answer
    x = 148,936.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.