Home / 105,347.22-145,378.17-57,600.06

Finding the Fourth Proportional to 105,347.22, 145,378.17 and 57,600.06

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Solution

The fourth proportional to 105,347.22, 145,378.17 and 57,600.06 is: 79,487.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,347.22 : 145,378.17 = 57,600.06 : x
  2. Step 2: Convert to fraction form
    105,347.22/145,378.17 = 57,600.06/x
  3. Step 3: Cross multiply
    105,347.22x = 145,378.17 × 57,600.06
  4. Step 4: Simplify right side
    105,347.22x = 8,373,791,314.69
  5. Step 5: Solve for x
    x = 8,373,791,314.69/105,347.22
  6. Step 6: Final answer
    x = 79,487.54

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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.