Home / 100,277.40-138,346.20-59,992.32

Finding the Fourth Proportional to 100,277.40, 138,346.20 and 59,992.32

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Solution

The fourth proportional to 100,277.40, 138,346.20 and 59,992.32 is: 82,767.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,277.40 : 138,346.20 = 59,992.32 : x
  2. Step 2: Convert to fraction form
    100,277.40/138,346.20 = 59,992.32/x
  3. Step 3: Cross multiply
    100,277.40x = 138,346.20 × 59,992.32
  4. Step 4: Simplify right side
    100,277.40x = 8,299,709,501.18
  5. Step 5: Solve for x
    x = 8,299,709,501.18/100,277.40
  6. Step 6: Final answer
    x = 82,767.50

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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.