Home / 215,403.67-297,264.09-118,617.85

Finding the Fourth Proportional to 215,403.67, 297,264.09 and 118,617.85

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Solution

The fourth proportional to 215,403.67, 297,264.09 and 118,617.85 is: 163,696.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,403.67 : 297,264.09 = 118,617.85 : x
  2. Step 2: Convert to fraction form
    215,403.67/297,264.09 = 118,617.85/x
  3. Step 3: Cross multiply
    215,403.67x = 297,264.09 × 118,617.85
  4. Step 4: Simplify right side
    215,403.67x = 35,260,827,238.01
  5. Step 5: Solve for x
    x = 35,260,827,238.01/215,403.67
  6. Step 6: Final answer
    x = 163,696.50

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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.