Home / 215,256.08-297,038.64-119,759.20

Finding the Fourth Proportional to 215,256.08, 297,038.64 and 119,759.20

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Solution

The fourth proportional to 215,256.08, 297,038.64 and 119,759.20 is: 165,259.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,256.08 : 297,038.64 = 119,759.20 : x
  2. Step 2: Convert to fraction form
    215,256.08/297,038.64 = 119,759.20/x
  3. Step 3: Cross multiply
    215,256.08x = 297,038.64 × 119,759.20
  4. Step 4: Simplify right side
    215,256.08x = 35,573,109,895.49
  5. Step 5: Solve for x
    x = 35,573,109,895.49/215,256.08
  6. Step 6: Final answer
    x = 165,259.49

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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.