Home / 105,390.96-145,427.28-62,372.33

Finding the Fourth Proportional to 105,390.96, 145,427.28 and 62,372.33

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Solution

The fourth proportional to 105,390.96, 145,427.28 and 62,372.33 is: 86,066.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,390.96 : 145,427.28 = 62,372.33 : x
  2. Step 2: Convert to fraction form
    105,390.96/145,427.28 = 62,372.33/x
  3. Step 3: Cross multiply
    105,390.96x = 145,427.28 × 62,372.33
  4. Step 4: Simplify right side
    105,390.96x = 9,070,638,234.33
  5. Step 5: Solve for x
    x = 9,070,638,234.33/105,390.96
  6. Step 6: Final answer
    x = 86,066.57

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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.