Home / 112,986.63-155,920.77-62,685.63

Finding the Fourth Proportional to 112,986.63, 155,920.77 and 62,685.63

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Solution

The fourth proportional to 112,986.63, 155,920.77 and 62,685.63 is: 86,505.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,986.63 : 155,920.77 = 62,685.63 : x
  2. Step 2: Convert to fraction form
    112,986.63/155,920.77 = 62,685.63/x
  3. Step 3: Cross multiply
    112,986.63x = 155,920.77 × 62,685.63
  4. Step 4: Simplify right side
    112,986.63x = 9,773,991,697.54
  5. Step 5: Solve for x
    x = 9,773,991,697.54/112,986.63
  6. Step 6: Final answer
    x = 86,505.74

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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.