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Finding the Fourth Proportional to 105,288.88, 157,888.35 and 60,946.24

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Solution

The fourth proportional to 105,288.88, 157,888.35 and 60,946.24 is: 91,393.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,288.88 : 157,888.35 = 60,946.24 : x
  2. Step 2: Convert to fraction form
    105,288.88/157,888.35 = 60,946.24/x
  3. Step 3: Cross multiply
    105,288.88x = 157,888.35 × 60,946.24
  4. Step 4: Simplify right side
    105,288.88x = 9,622,701,272.30
  5. Step 5: Solve for x
    x = 9,622,701,272.30/105,288.88
  6. Step 6: Final answer
    x = 91,393.33

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1.5x scale

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.