Home / 105,480.84-145,527.37-60,126.11

Finding the Fourth Proportional to 105,480.84, 145,527.37 and 60,126.11

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Solution

The fourth proportional to 105,480.84, 145,527.37 and 60,126.11 is: 82,953.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,480.84 : 145,527.37 = 60,126.11 : x
  2. Step 2: Convert to fraction form
    105,480.84/145,527.37 = 60,126.11/x
  3. Step 3: Cross multiply
    105,480.84x = 145,527.37 × 60,126.11
  4. Step 4: Simplify right side
    105,480.84x = 8,749,994,656.63
  5. Step 5: Solve for x
    x = 8,749,994,656.63/105,480.84
  6. Step 6: Final answer
    x = 82,953.40

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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.