Home / 101,724.60-140,394.48-56,412.66

Finding the Fourth Proportional to 101,724.60, 140,394.48 and 56,412.66

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Solution

The fourth proportional to 101,724.60, 140,394.48 and 56,412.66 is: 77,857.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,724.60 : 140,394.48 = 56,412.66 : x
  2. Step 2: Convert to fraction form
    101,724.60/140,394.48 = 56,412.66/x
  3. Step 3: Cross multiply
    101,724.60x = 140,394.48 × 56,412.66
  4. Step 4: Simplify right side
    101,724.60x = 7,920,026,698.37
  5. Step 5: Solve for x
    x = 7,920,026,698.37/101,724.60
  6. Step 6: Final answer
    x = 77,857.53

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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.