Home / 101,725.82-140,376.02-56,401.16

Finding the Fourth Proportional to 101,725.82, 140,376.02 and 56,401.16

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Solution

The fourth proportional to 101,725.82, 140,376.02 and 56,401.16 is: 77,830.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,725.82 : 140,376.02 = 56,401.16 : x
  2. Step 2: Convert to fraction form
    101,725.82/140,376.02 = 56,401.16/x
  3. Step 3: Cross multiply
    101,725.82x = 140,376.02 × 56,401.16
  4. Step 4: Simplify right side
    101,725.82x = 7,917,370,364.18
  5. Step 5: Solve for x
    x = 7,917,370,364.18/101,725.82
  6. Step 6: Final answer
    x = 77,830.49

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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.