Home / 215,051.57-296,778.63-118,259.40

Finding the Fourth Proportional to 215,051.57, 296,778.63 and 118,259.40

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Solution

The fourth proportional to 215,051.57, 296,778.63 and 118,259.40 is: 163,202.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,051.57 : 296,778.63 = 118,259.40 : x
  2. Step 2: Convert to fraction form
    215,051.57/296,778.63 = 118,259.40/x
  3. Step 3: Cross multiply
    215,051.57x = 296,778.63 × 118,259.40
  4. Step 4: Simplify right side
    215,051.57x = 35,096,862,603.63
  5. Step 5: Solve for x
    x = 35,096,862,603.63/215,051.57
  6. Step 6: Final answer
    x = 163,202.07

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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.