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Finding the Fourth Proportional to 152,720.08, 210,750.50 and 84,735.59

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Solution

The fourth proportional to 152,720.08, 210,750.50 and 84,735.59 is: 116,933.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,720.08 : 210,750.50 = 84,735.59 : x
  2. Step 2: Convert to fraction form
    152,720.08/210,750.50 = 84,735.59/x
  3. Step 3: Cross multiply
    152,720.08x = 210,750.50 × 84,735.59
  4. Step 4: Simplify right side
    152,720.08x = 17,858,068,300.79
  5. Step 5: Solve for x
    x = 17,858,068,300.79/152,720.08
  6. Step 6: Final answer
    x = 116,933.33

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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.