Home / 215,117.51-296,869.41-118,325.48

Finding the Fourth Proportional to 215,117.51, 296,869.41 and 118,325.48

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Solution

The fourth proportional to 215,117.51, 296,869.41 and 118,325.48 is: 163,293.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,117.51 : 296,869.41 = 118,325.48 : x
  2. Step 2: Convert to fraction form
    215,117.51/296,869.41 = 118,325.48/x
  3. Step 3: Cross multiply
    215,117.51x = 296,869.41 × 118,325.48
  4. Step 4: Simplify right side
    215,117.51x = 35,127,213,951.22
  5. Step 5: Solve for x
    x = 35,127,213,951.22/215,117.51
  6. Step 6: Final answer
    x = 163,293.15

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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.