Home / 101,701.26-140,342.67-56,980.62

Finding the Fourth Proportional to 101,701.26, 140,342.67 and 56,980.62

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Solution

The fourth proportional to 101,701.26, 140,342.67 and 56,980.62 is: 78,630.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,701.26 : 140,342.67 = 56,980.62 : x
  2. Step 2: Convert to fraction form
    101,701.26/140,342.67 = 56,980.62/x
  3. Step 3: Cross multiply
    101,701.26x = 140,342.67 × 56,980.62
  4. Step 4: Simplify right side
    101,701.26x = 7,996,812,349.06
  5. Step 5: Solve for x
    x = 7,996,812,349.06/101,701.26
  6. Step 6: Final answer
    x = 78,630.42

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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.