Home / 105,018.27-144,926.46-57,271.20

Finding the Fourth Proportional to 105,018.27, 144,926.46 and 57,271.20

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Solution

The fourth proportional to 105,018.27, 144,926.46 and 57,271.20 is: 79,034.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,018.27 : 144,926.46 = 57,271.20 : x
  2. Step 2: Convert to fraction form
    105,018.27/144,926.46 = 57,271.20/x
  3. Step 3: Cross multiply
    105,018.27x = 144,926.46 × 57,271.20
  4. Step 4: Simplify right side
    105,018.27x = 8,300,112,275.95
  5. Step 5: Solve for x
    x = 8,300,112,275.95/105,018.27
  6. Step 6: Final answer
    x = 79,034.94

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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.