Home / 144,946.40-217,419.60-70,102.40

Finding the Fourth Proportional to 144,946.40, 217,419.60 and 70,102.40

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Solution

The fourth proportional to 144,946.40, 217,419.60 and 70,102.40 is: 105,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,946.40 : 217,419.60 = 70,102.40 : x
  2. Step 2: Convert to fraction form
    144,946.40/217,419.60 = 70,102.40/x
  3. Step 3: Cross multiply
    144,946.40x = 217,419.60 × 70,102.40
  4. Step 4: Simplify right side
    144,946.40x = 15,241,635,767.04
  5. Step 5: Solve for x
    x = 15,241,635,767.04/144,946.40
  6. Step 6: Final answer
    x = 105,153.60

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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.