Home / 112,991.17-155,927.38-62,004.75

Finding the Fourth Proportional to 112,991.17, 155,927.38 and 62,004.75

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Solution

The fourth proportional to 112,991.17, 155,927.38 and 62,004.75 is: 85,566.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,991.17 : 155,927.38 = 62,004.75 : x
  2. Step 2: Convert to fraction form
    112,991.17/155,927.38 = 62,004.75/x
  3. Step 3: Cross multiply
    112,991.17x = 155,927.38 × 62,004.75
  4. Step 4: Simplify right side
    112,991.17x = 9,668,238,215.06
  5. Step 5: Solve for x
    x = 9,668,238,215.06/112,991.17
  6. Step 6: Final answer
    x = 85,566.32

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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.