Home / 86,963.23-130,503.30-30,803.14

Finding the Fourth Proportional to 86,963.23, 130,503.30 and 30,803.14

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Solution

The fourth proportional to 86,963.23, 130,503.30 and 30,803.14 is: 46,225.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,963.23 : 130,503.30 = 30,803.14 : x
  2. Step 2: Convert to fraction form
    86,963.23/130,503.30 = 30,803.14/x
  3. Step 3: Cross multiply
    86,963.23x = 130,503.30 × 30,803.14
  4. Step 4: Simplify right side
    86,963.23x = 4,019,911,420.36
  5. Step 5: Solve for x
    x = 4,019,911,420.36/86,963.23
  6. Step 6: Final answer
    x = 46,225.42

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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.