Home / 101,962.23-140,703.97-56,643.07

Finding the Fourth Proportional to 101,962.23, 140,703.97 and 56,643.07

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Solution

The fourth proportional to 101,962.23, 140,703.97 and 56,643.07 is: 78,165.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,962.23 : 140,703.97 = 56,643.07 : x
  2. Step 2: Convert to fraction form
    101,962.23/140,703.97 = 56,643.07/x
  3. Step 3: Cross multiply
    101,962.23x = 140,703.97 × 56,643.07
  4. Step 4: Simplify right side
    101,962.23x = 7,969,904,462.22
  5. Step 5: Solve for x
    x = 7,969,904,462.22/101,962.23
  6. Step 6: Final answer
    x = 78,165.26

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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.