Home / 149,339.37-223,931.28-70,432.41

Finding the Fourth Proportional to 149,339.37, 223,931.28 and 70,432.41

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Solution

The fourth proportional to 149,339.37, 223,931.28 and 70,432.41 is: 105,611.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,339.37 : 223,931.28 = 70,432.41 : x
  2. Step 2: Convert to fraction form
    149,339.37/223,931.28 = 70,432.41/x
  3. Step 3: Cross multiply
    149,339.37x = 223,931.28 × 70,432.41
  4. Step 4: Simplify right side
    149,339.37x = 15,772,019,724.78
  5. Step 5: Solve for x
    x = 15,772,019,724.78/149,339.37
  6. Step 6: Final answer
    x = 105,611.93

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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.