Home / 151,767.24-209,439.11-83,784.32

Finding the Fourth Proportional to 151,767.24, 209,439.11 and 83,784.32

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Solution

The fourth proportional to 151,767.24, 209,439.11 and 83,784.32 is: 115,622.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,767.24 : 209,439.11 = 83,784.32 : x
  2. Step 2: Convert to fraction form
    151,767.24/209,439.11 = 83,784.32/x
  3. Step 3: Cross multiply
    151,767.24x = 209,439.11 × 83,784.32
  4. Step 4: Simplify right side
    151,767.24x = 17,547,711,946.64
  5. Step 5: Solve for x
    x = 17,547,711,946.64/151,767.24
  6. Step 6: Final answer
    x = 115,622.53

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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.