Home / 102,904.07-142,020.27-62,621.96

Finding the Fourth Proportional to 102,904.07, 142,020.27 and 62,621.96

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Solution

The fourth proportional to 102,904.07, 142,020.27 and 62,621.96 is: 86,426.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,904.07 : 142,020.27 = 62,621.96 : x
  2. Step 2: Convert to fraction form
    102,904.07/142,020.27 = 62,621.96/x
  3. Step 3: Cross multiply
    102,904.07x = 142,020.27 × 62,621.96
  4. Step 4: Simplify right side
    102,904.07x = 8,893,586,957.03
  5. Step 5: Solve for x
    x = 8,893,586,957.03/102,904.07
  6. Step 6: Final answer
    x = 86,426.00

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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.