Home / 152,622.72-210,615.40-84,638.60

Finding the Fourth Proportional to 152,622.72, 210,615.40 and 84,638.60

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Solution

The fourth proportional to 152,622.72, 210,615.40 and 84,638.60 is: 116,799.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,622.72 : 210,615.40 = 84,638.60 : x
  2. Step 2: Convert to fraction form
    152,622.72/210,615.40 = 84,638.60/x
  3. Step 3: Cross multiply
    152,622.72x = 210,615.40 × 84,638.60
  4. Step 4: Simplify right side
    152,622.72x = 17,826,192,594.44
  5. Step 5: Solve for x
    x = 17,826,192,594.44/152,622.72
  6. Step 6: Final answer
    x = 116,799.08

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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.