Home / 105,250.32-145,237.86-57,493.53

Finding the Fourth Proportional to 105,250.32, 145,237.86 and 57,493.53

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Solution

The fourth proportional to 105,250.32, 145,237.86 and 57,493.53 is: 79,336.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,250.32 : 145,237.86 = 57,493.53 : x
  2. Step 2: Convert to fraction form
    105,250.32/145,237.86 = 57,493.53/x
  3. Step 3: Cross multiply
    105,250.32x = 145,237.86 × 57,493.53
  4. Step 4: Simplify right side
    105,250.32x = 8,350,237,261.05
  5. Step 5: Solve for x
    x = 8,350,237,261.05/105,250.32
  6. Step 6: Final answer
    x = 79,336.93

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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.