Home / 105,515.35-145,622.88-60,204.53

Finding the Fourth Proportional to 105,515.35, 145,622.88 and 60,204.53

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Solution

The fourth proportional to 105,515.35, 145,622.88 and 60,204.53 is: 83,088.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,515.35 : 145,622.88 = 60,204.53 : x
  2. Step 2: Convert to fraction form
    105,515.35/145,622.88 = 60,204.53/x
  3. Step 3: Cross multiply
    105,515.35x = 145,622.88 × 60,204.53
  4. Step 4: Simplify right side
    105,515.35x = 8,767,157,411.70
  5. Step 5: Solve for x
    x = 8,767,157,411.70/105,515.35
  6. Step 6: Final answer
    x = 83,088.93

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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.