Home / 142,860.84-197,167.99-88,430.46

Finding the Fourth Proportional to 142,860.84, 197,167.99 and 88,430.46

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Solution

The fourth proportional to 142,860.84, 197,167.99 and 88,430.46 is: 122,046.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,860.84 : 197,167.99 = 88,430.46 : x
  2. Step 2: Convert to fraction form
    142,860.84/197,167.99 = 88,430.46/x
  3. Step 3: Cross multiply
    142,860.84x = 197,167.99 × 88,430.46
  4. Step 4: Simplify right side
    142,860.84x = 17,435,656,052.98
  5. Step 5: Solve for x
    x = 17,435,656,052.98/142,860.84
  6. Step 6: Final answer
    x = 122,046.43

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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.