Home / 144,877.20-217,056.60-89,408.40

Finding the Fourth Proportional to 144,877.20, 217,056.60 and 89,408.40

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Solution

The fourth proportional to 144,877.20, 217,056.60 and 89,408.40 is: 133,952.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,877.20 : 217,056.60 = 89,408.40 : x
  2. Step 2: Convert to fraction form
    144,877.20/217,056.60 = 89,408.40/x
  3. Step 3: Cross multiply
    144,877.20x = 217,056.60 × 89,408.40
  4. Step 4: Simplify right side
    144,877.20x = 19,406,683,315.44
  5. Step 5: Solve for x
    x = 19,406,683,315.44/144,877.20
  6. Step 6: Final answer
    x = 133,952.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.