Home / 86,158.86-118,881.75-50,341.95

Finding the Fourth Proportional to 86,158.86, 118,881.75 and 50,341.95

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Solution

The fourth proportional to 86,158.86, 118,881.75 and 50,341.95 is: 69,461.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,158.86 : 118,881.75 = 50,341.95 : x
  2. Step 2: Convert to fraction form
    86,158.86/118,881.75 = 50,341.95/x
  3. Step 3: Cross multiply
    86,158.86x = 118,881.75 × 50,341.95
  4. Step 4: Simplify right side
    86,158.86x = 5,984,739,114.41
  5. Step 5: Solve for x
    x = 5,984,739,114.41/86,158.86
  6. Step 6: Final answer
    x = 69,461.68

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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.