Home / 105,211.25-145,172.25-59,886.59

Finding the Fourth Proportional to 105,211.25, 145,172.25 and 59,886.59

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Solution

The fourth proportional to 105,211.25, 145,172.25 and 59,886.59 is: 82,632.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,211.25 : 145,172.25 = 59,886.59 : x
  2. Step 2: Convert to fraction form
    105,211.25/145,172.25 = 59,886.59/x
  3. Step 3: Cross multiply
    105,211.25x = 145,172.25 × 59,886.59
  4. Step 4: Simplify right side
    105,211.25x = 8,693,871,015.13
  5. Step 5: Solve for x
    x = 8,693,871,015.13/105,211.25
  6. Step 6: Final answer
    x = 82,632.52

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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.