Home / 215,626.23-297,564.57-120,136.32

Finding the Fourth Proportional to 215,626.23, 297,564.57 and 120,136.32

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Solution

The fourth proportional to 215,626.23, 297,564.57 and 120,136.32 is: 165,788.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,626.23 : 297,564.57 = 120,136.32 : x
  2. Step 2: Convert to fraction form
    215,626.23/297,564.57 = 120,136.32/x
  3. Step 3: Cross multiply
    215,626.23x = 297,564.57 × 120,136.32
  4. Step 4: Simplify right side
    215,626.23x = 35,748,312,402.18
  5. Step 5: Solve for x
    x = 35,748,312,402.18/215,626.23
  6. Step 6: Final answer
    x = 165,788.33

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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.