Home / 152,205.72-210,044.16-84,225.57

Finding the Fourth Proportional to 152,205.72, 210,044.16 and 84,225.57

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Solution

The fourth proportional to 152,205.72, 210,044.16 and 84,225.57 is: 116,231.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,205.72 : 210,044.16 = 84,225.57 : x
  2. Step 2: Convert to fraction form
    152,205.72/210,044.16 = 84,225.57/x
  3. Step 3: Cross multiply
    152,205.72x = 210,044.16 × 84,225.57
  4. Step 4: Simplify right side
    152,205.72x = 17,691,089,101.17
  5. Step 5: Solve for x
    x = 17,691,089,101.17/152,205.72
  6. Step 6: Final answer
    x = 116,231.43

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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.