Home / 101,608.07-140,217.62-56,285.91

Finding the Fourth Proportional to 101,608.07, 140,217.62 and 56,285.91

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Solution

The fourth proportional to 101,608.07, 140,217.62 and 56,285.91 is: 77,673.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,608.07 : 140,217.62 = 56,285.91 : x
  2. Step 2: Convert to fraction form
    101,608.07/140,217.62 = 56,285.91/x
  3. Step 3: Cross multiply
    101,608.07x = 140,217.62 × 56,285.91
  4. Step 4: Simplify right side
    101,608.07x = 7,892,276,058.30
  5. Step 5: Solve for x
    x = 7,892,276,058.30/101,608.07
  6. Step 6: Final answer
    x = 77,673.72

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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.