Home / 112,999.36-155,943.84-62,698.72

Finding the Fourth Proportional to 112,999.36, 155,943.84 and 62,698.72

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Solution

The fourth proportional to 112,999.36, 155,943.84 and 62,698.72 is: 86,526.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,999.36 : 155,943.84 = 62,698.72 : x
  2. Step 2: Convert to fraction form
    112,999.36/155,943.84 = 62,698.72/x
  3. Step 3: Cross multiply
    112,999.36x = 155,943.84 × 62,698.72
  4. Step 4: Simplify right side
    112,999.36x = 9,777,479,159.88
  5. Step 5: Solve for x
    x = 9,777,479,159.88/112,999.36
  6. Step 6: Final answer
    x = 86,526.85

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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.