Home / 144,946.30-217,419.45-91,802.20

Finding the Fourth Proportional to 144,946.30, 217,419.45 and 91,802.20

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Solution

The fourth proportional to 144,946.30, 217,419.45 and 91,802.20 is: 137,703.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,946.30 : 217,419.45 = 91,802.20 : x
  2. Step 2: Convert to fraction form
    144,946.30/217,419.45 = 91,802.20/x
  3. Step 3: Cross multiply
    144,946.30x = 217,419.45 × 91,802.20
  4. Step 4: Simplify right side
    144,946.30x = 19,959,583,832.79
  5. Step 5: Solve for x
    x = 19,959,583,832.79/144,946.30
  6. Step 6: Final answer
    x = 137,703.30

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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.