Home / 101,742.06-140,404.05-56,426.97

Finding the Fourth Proportional to 101,742.06, 140,404.05 and 56,426.97

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Solution

The fourth proportional to 101,742.06, 140,404.05 and 56,426.97 is: 77,869.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,742.06 : 140,404.05 = 56,426.97 : x
  2. Step 2: Convert to fraction form
    101,742.06/140,404.05 = 56,426.97/x
  3. Step 3: Cross multiply
    101,742.06x = 140,404.05 × 56,426.97
  4. Step 4: Simplify right side
    101,742.06x = 7,922,575,117.23
  5. Step 5: Solve for x
    x = 7,922,575,117.23/101,742.06
  6. Step 6: Final answer
    x = 77,869.22

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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.