Home / 105,269.93-145,270.75-57,522.18

Finding the Fourth Proportional to 105,269.93, 145,270.75 and 57,522.18

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Solution

The fourth proportional to 105,269.93, 145,270.75 and 57,522.18 is: 79,379.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,269.93 : 145,270.75 = 57,522.18 : x
  2. Step 2: Convert to fraction form
    105,269.93/145,270.75 = 57,522.18/x
  3. Step 3: Cross multiply
    105,269.93x = 145,270.75 × 57,522.18
  4. Step 4: Simplify right side
    105,269.93x = 8,356,290,230.24
  5. Step 5: Solve for x
    x = 8,356,290,230.24/105,269.93
  6. Step 6: Final answer
    x = 79,379.65

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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.