Home / 105,313.22-145,332.25-57,566.76

Finding the Fourth Proportional to 105,313.22, 145,332.25 and 57,566.76

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Solution

The fourth proportional to 105,313.22, 145,332.25 and 57,566.76 is: 79,442.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,313.22 : 145,332.25 = 57,566.76 : x
  2. Step 2: Convert to fraction form
    105,313.22/145,332.25 = 57,566.76/x
  3. Step 3: Cross multiply
    105,313.22x = 145,332.25 × 57,566.76
  4. Step 4: Simplify right side
    105,313.22x = 8,366,306,067.10
  5. Step 5: Solve for x
    x = 8,366,306,067.10/105,313.22
  6. Step 6: Final answer
    x = 79,442.13

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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.