Home / 215,506.04-297,398.73-124,879.50

Finding the Fourth Proportional to 215,506.04, 297,398.73 and 124,879.50

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Solution

The fourth proportional to 215,506.04, 297,398.73 and 124,879.50 is: 172,333.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,506.04 : 297,398.73 = 124,879.50 : x
  2. Step 2: Convert to fraction form
    215,506.04/297,398.73 = 124,879.50/x
  3. Step 3: Cross multiply
    215,506.04x = 297,398.73 × 124,879.50
  4. Step 4: Simplify right side
    215,506.04x = 37,139,004,703.04
  5. Step 5: Solve for x
    x = 37,139,004,703.04/215,506.04
  6. Step 6: Final answer
    x = 172,333.94

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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.