Home / 152,221.09-210,065.51-84,242.75

Finding the Fourth Proportional to 152,221.09, 210,065.51 and 84,242.75

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Solution

The fourth proportional to 152,221.09, 210,065.51 and 84,242.75 is: 116,255.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,221.09 : 210,065.51 = 84,242.75 : x
  2. Step 2: Convert to fraction form
    152,221.09/210,065.51 = 84,242.75/x
  3. Step 3: Cross multiply
    152,221.09x = 210,065.51 × 84,242.75
  4. Step 4: Simplify right side
    152,221.09x = 17,696,496,791.39
  5. Step 5: Solve for x
    x = 17,696,496,791.39/152,221.09
  6. Step 6: Final answer
    x = 116,255.22

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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.