Home / 215,946.30-297,992.34-119,151.30

Finding the Fourth Proportional to 215,946.30, 297,992.34 and 119,151.30

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Solution

The fourth proportional to 215,946.30, 297,992.34 and 119,151.30 is: 164,421.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,946.30 : 297,992.34 = 119,151.30 : x
  2. Step 2: Convert to fraction form
    215,946.30/297,992.34 = 119,151.30/x
  3. Step 3: Cross multiply
    215,946.30x = 297,992.34 × 119,151.30
  4. Step 4: Simplify right side
    215,946.30x = 35,506,174,701.04
  5. Step 5: Solve for x
    x = 35,506,174,701.04/215,946.30
  6. Step 6: Final answer
    x = 164,421.32

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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.