Home / 215,521.04-297,428.25-120,027.74

Finding the Fourth Proportional to 215,521.04, 297,428.25 and 120,027.74

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Solution

The fourth proportional to 215,521.04, 297,428.25 and 120,027.74 is: 165,643.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,521.04 : 297,428.25 = 120,027.74 : x
  2. Step 2: Convert to fraction form
    215,521.04/297,428.25 = 120,027.74/x
  3. Step 3: Cross multiply
    215,521.04x = 297,428.25 × 120,027.74
  4. Step 4: Simplify right side
    215,521.04x = 35,699,639,172.51
  5. Step 5: Solve for x
    x = 35,699,639,172.51/215,521.04
  6. Step 6: Final answer
    x = 165,643.41

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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.