Home / 105,227.61-145,211.97-59,287.32

Finding the Fourth Proportional to 105,227.61, 145,211.97 and 59,287.32

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Solution

The fourth proportional to 105,227.61, 145,211.97 and 59,287.32 is: 81,815.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,227.61 : 145,211.97 = 59,287.32 : x
  2. Step 2: Convert to fraction form
    105,227.61/145,211.97 = 59,287.32/x
  3. Step 3: Cross multiply
    105,227.61x = 145,211.97 × 59,287.32
  4. Step 4: Simplify right side
    105,227.61x = 8,609,228,533.22
  5. Step 5: Solve for x
    x = 8,609,228,533.22/105,227.61
  6. Step 6: Final answer
    x = 81,815.30

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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.