Home / 215,152.84-296,909.27-118,354.60

Finding the Fourth Proportional to 215,152.84, 296,909.27 and 118,354.60

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Solution

The fourth proportional to 215,152.84, 296,909.27 and 118,354.60 is: 163,328.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,152.84 : 296,909.27 = 118,354.60 : x
  2. Step 2: Convert to fraction form
    215,152.84/296,909.27 = 118,354.60/x
  3. Step 3: Cross multiply
    215,152.84x = 296,909.27 × 118,354.60
  4. Step 4: Simplify right side
    215,152.84x = 35,140,578,037.64
  5. Step 5: Solve for x
    x = 35,140,578,037.64/215,152.84
  6. Step 6: Final answer
    x = 163,328.45

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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.