Home / 101,897.09-140,622.37-56,575.07

Finding the Fourth Proportional to 101,897.09, 140,622.37 and 56,575.07

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Solution

The fourth proportional to 101,897.09, 140,622.37 and 56,575.07 is: 78,076.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,897.09 : 140,622.37 = 56,575.07 : x
  2. Step 2: Convert to fraction form
    101,897.09/140,622.37 = 56,575.07/x
  3. Step 3: Cross multiply
    101,897.09x = 140,622.37 × 56,575.07
  4. Step 4: Simplify right side
    101,897.09x = 7,955,721,059.22
  5. Step 5: Solve for x
    x = 7,955,721,059.22/101,897.09
  6. Step 6: Final answer
    x = 78,076.04

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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.