Home / 215,523.65-297,431.87-120,030.35

Finding the Fourth Proportional to 215,523.65, 297,431.87 and 120,030.35

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Solution

The fourth proportional to 215,523.65, 297,431.87 and 120,030.35 is: 165,647.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,523.65 : 297,431.87 = 120,030.35 : x
  2. Step 2: Convert to fraction form
    215,523.65/297,431.87 = 120,030.35/x
  3. Step 3: Cross multiply
    215,523.65x = 297,431.87 × 120,030.35
  4. Step 4: Simplify right side
    215,523.65x = 35,700,851,457.25
  5. Step 5: Solve for x
    x = 35,700,851,457.25/215,523.65
  6. Step 6: Final answer
    x = 165,647.03

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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.