Home / 123,898.02-170,884.14-83,547.88

Finding the Fourth Proportional to 123,898.02, 170,884.14 and 83,547.88

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Solution

The fourth proportional to 123,898.02, 170,884.14 and 83,547.88 is: 115,231.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,898.02 : 170,884.14 = 83,547.88 : x
  2. Step 2: Convert to fraction form
    123,898.02/170,884.14 = 83,547.88/x
  3. Step 3: Cross multiply
    123,898.02x = 170,884.14 × 83,547.88
  4. Step 4: Simplify right side
    123,898.02x = 14,277,007,622.62
  5. Step 5: Solve for x
    x = 14,277,007,622.62/123,898.02
  6. Step 6: Final answer
    x = 115,231.93

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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.