Home / 105,224.70-145,200.63-64,951.44

Finding the Fourth Proportional to 105,224.70, 145,200.63 and 64,951.44

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Solution

The fourth proportional to 105,224.70, 145,200.63 and 64,951.44 is: 89,627.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,224.70 : 145,200.63 = 64,951.44 : x
  2. Step 2: Convert to fraction form
    105,224.70/145,200.63 = 64,951.44/x
  3. Step 3: Cross multiply
    105,224.70x = 145,200.63 × 64,951.44
  4. Step 4: Simplify right side
    105,224.70x = 9,430,989,706.47
  5. Step 5: Solve for x
    x = 9,430,989,706.47/105,224.70
  6. Step 6: Final answer
    x = 89,627.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.