Home / 215,641.28-297,586.98-118,848.60

Finding the Fourth Proportional to 215,641.28, 297,586.98 and 118,848.60

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Solution

The fourth proportional to 215,641.28, 297,586.98 and 118,848.60 is: 164,012.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,641.28 : 297,586.98 = 118,848.60 : x
  2. Step 2: Convert to fraction form
    215,641.28/297,586.98 = 118,848.60/x
  3. Step 3: Cross multiply
    215,641.28x = 297,586.98 × 118,848.60
  4. Step 4: Simplify right side
    215,641.28x = 35,367,793,869.05
  5. Step 5: Solve for x
    x = 35,367,793,869.05/215,641.28
  6. Step 6: Final answer
    x = 164,012.17

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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.