Home / 105,229.29-145,214.07-57,482.83

Finding the Fourth Proportional to 105,229.29, 145,214.07 and 57,482.83

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Solution

The fourth proportional to 105,229.29, 145,214.07 and 57,482.83 is: 79,325.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,229.29 : 145,214.07 = 57,482.83 : x
  2. Step 2: Convert to fraction form
    105,229.29/145,214.07 = 57,482.83/x
  3. Step 3: Cross multiply
    105,229.29x = 145,214.07 × 57,482.83
  4. Step 4: Simplify right side
    105,229.29x = 8,347,315,665.38
  5. Step 5: Solve for x
    x = 8,347,315,665.38/105,229.29
  6. Step 6: Final answer
    x = 79,325.02

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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.