Home / 86,946.98-130,409.58-27,777.74

Finding the Fourth Proportional to 86,946.98, 130,409.58 and 27,777.74

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Solution

The fourth proportional to 86,946.98, 130,409.58 and 27,777.74 is: 41,663.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,946.98 : 130,409.58 = 27,777.74 : x
  2. Step 2: Convert to fraction form
    86,946.98/130,409.58 = 27,777.74/x
  3. Step 3: Cross multiply
    86,946.98x = 130,409.58 × 27,777.74
  4. Step 4: Simplify right side
    86,946.98x = 3,622,483,406.75
  5. Step 5: Solve for x
    x = 3,622,483,406.75/86,946.98
  6. Step 6: Final answer
    x = 41,663.13

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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.