Home / 152,319.97-210,204.17-83,415.49

Finding the Fourth Proportional to 152,319.97, 210,204.17 and 83,415.49

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Solution

The fourth proportional to 152,319.97, 210,204.17 and 83,415.49 is: 115,114.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,319.97 : 210,204.17 = 83,415.49 : x
  2. Step 2: Convert to fraction form
    152,319.97/210,204.17 = 83,415.49/x
  3. Step 3: Cross multiply
    152,319.97x = 210,204.17 × 83,415.49
  4. Step 4: Simplify right side
    152,319.97x = 17,534,283,840.59
  5. Step 5: Solve for x
    x = 17,534,283,840.59/152,319.97
  6. Step 6: Final answer
    x = 115,114.81

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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.