Home / 215,923.61-323,746.80-89,651.00

Finding the Fourth Proportional to 215,923.61, 323,746.80 and 89,651.00

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Solution

The fourth proportional to 215,923.61, 323,746.80 and 89,651.00 is: 134,418.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,923.61 : 323,746.80 = 89,651.00 : x
  2. Step 2: Convert to fraction form
    215,923.61/323,746.80 = 89,651.00/x
  3. Step 3: Cross multiply
    215,923.61x = 323,746.80 × 89,651.00
  4. Step 4: Simplify right side
    215,923.61x = 29,024,222,748.07
  5. Step 5: Solve for x
    x = 29,024,222,748.07/215,923.61
  6. Step 6: Final answer
    x = 134,418.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.