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Finding the Fourth Proportional to 149,715.95, 224,737.95 and 93,619.40

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Solution

The fourth proportional to 149,715.95, 224,737.95 and 93,619.40 is: 140,531.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,715.95 : 224,737.95 = 93,619.40 : x
  2. Step 2: Convert to fraction form
    149,715.95/224,737.95 = 93,619.40/x
  3. Step 3: Cross multiply
    149,715.95x = 224,737.95 × 93,619.40
  4. Step 4: Simplify right side
    149,715.95x = 21,039,832,036.23
  5. Step 5: Solve for x
    x = 21,039,832,036.23/149,715.95
  6. Step 6: Final answer
    x = 140,531.67

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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.