Home / 105,262.74-145,256.49-57,516.48

Finding the Fourth Proportional to 105,262.74, 145,256.49 and 57,516.48

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Solution

The fourth proportional to 105,262.74, 145,256.49 and 57,516.48 is: 79,369.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,262.74 : 145,256.49 = 57,516.48 : x
  2. Step 2: Convert to fraction form
    105,262.74/145,256.49 = 57,516.48/x
  3. Step 3: Cross multiply
    105,262.74x = 145,256.49 × 57,516.48
  4. Step 4: Simplify right side
    105,262.74x = 8,354,642,001.96
  5. Step 5: Solve for x
    x = 8,354,642,001.96/105,262.74
  6. Step 6: Final answer
    x = 79,369.41

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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.