Home / 76,206.86-105,164.14-42,214.63

Finding the Fourth Proportional to 76,206.86, 105,164.14 and 42,214.63

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Solution

The fourth proportional to 76,206.86, 105,164.14 and 42,214.63 is: 58,255.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,206.86 : 105,164.14 = 42,214.63 : x
  2. Step 2: Convert to fraction form
    76,206.86/105,164.14 = 42,214.63/x
  3. Step 3: Cross multiply
    76,206.86x = 105,164.14 × 42,214.63
  4. Step 4: Simplify right side
    76,206.86x = 4,439,465,048.30
  5. Step 5: Solve for x
    x = 4,439,465,048.30/76,206.86
  6. Step 6: Final answer
    x = 58,255.46

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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.