Home / 152,221.23-210,065.71-84,242.89

Finding the Fourth Proportional to 152,221.23, 210,065.71 and 84,242.89

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Solution

The fourth proportional to 152,221.23, 210,065.71 and 84,242.89 is: 116,255.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,221.23 : 210,065.71 = 84,242.89 : x
  2. Step 2: Convert to fraction form
    152,221.23/210,065.71 = 84,242.89/x
  3. Step 3: Cross multiply
    152,221.23x = 210,065.71 × 84,242.89
  4. Step 4: Simplify right side
    152,221.23x = 17,696,542,768.70
  5. Step 5: Solve for x
    x = 17,696,542,768.70/152,221.23
  6. Step 6: Final answer
    x = 116,255.42

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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.