Home / 215,486.07-297,370.77-124,894.59

Finding the Fourth Proportional to 215,486.07, 297,370.77 and 124,894.59

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Solution

The fourth proportional to 215,486.07, 297,370.77 and 124,894.59 is: 172,354.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,486.07 : 297,370.77 = 124,894.59 : x
  2. Step 2: Convert to fraction form
    215,486.07/297,370.77 = 124,894.59/x
  3. Step 3: Cross multiply
    215,486.07x = 297,370.77 × 124,894.59
  4. Step 4: Simplify right side
    215,486.07x = 37,139,999,281.99
  5. Step 5: Solve for x
    x = 37,139,999,281.99/215,486.07
  6. Step 6: Final answer
    x = 172,354.52

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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.