Home / 103,165.04-142,393.08-62,901

Finding the Fourth Proportional to 103,165.04, 142,393.08 and 62,901

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Solution

The fourth proportional to 103,165.04, 142,393.08 and 62,901 is: 86,818.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,165.04 : 142,393.08 = 62,901 : x
  2. Step 2: Convert to fraction form
    103,165.04/142,393.08 = 62,901/x
  3. Step 3: Cross multiply
    103,165.04x = 142,393.08 × 62,901
  4. Step 4: Simplify right side
    103,165.04x = 8,956,667,125.08
  5. Step 5: Solve for x
    x = 8,956,667,125.08/103,165.04
  6. Step 6: Final answer
    x = 86,818.82

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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.