Home / 103,133.22-142,291.88-57,804.92

Finding the Fourth Proportional to 103,133.22, 142,291.88 and 57,804.92

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Solution

The fourth proportional to 103,133.22, 142,291.88 and 57,804.92 is: 79,752.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,133.22 : 142,291.88 = 57,804.92 : x
  2. Step 2: Convert to fraction form
    103,133.22/142,291.88 = 57,804.92/x
  3. Step 3: Cross multiply
    103,133.22x = 142,291.88 × 57,804.92
  4. Step 4: Simplify right side
    103,133.22x = 8,225,170,740.05
  5. Step 5: Solve for x
    x = 8,225,170,740.05/103,133.22
  6. Step 6: Final answer
    x = 79,752.87

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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.