Home / 142,286.04-196,381.89-93,802.86

Finding the Fourth Proportional to 142,286.04, 196,381.89 and 93,802.86

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Solution

The fourth proportional to 142,286.04, 196,381.89 and 93,802.86 is: 129,465.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,286.04 : 196,381.89 = 93,802.86 : x
  2. Step 2: Convert to fraction form
    142,286.04/196,381.89 = 93,802.86/x
  3. Step 3: Cross multiply
    142,286.04x = 196,381.89 × 93,802.86
  4. Step 4: Simplify right side
    142,286.04x = 18,421,182,934.21
  5. Step 5: Solve for x
    x = 18,421,182,934.21/142,286.04
  6. Step 6: Final answer
    x = 129,465.85

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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.