Home / 139,228.04-192,134.86-75,565.88

Finding the Fourth Proportional to 139,228.04, 192,134.86 and 75,565.88

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Solution

The fourth proportional to 139,228.04, 192,134.86 and 75,565.88 is: 104,281.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,228.04 : 192,134.86 = 75,565.88 : x
  2. Step 2: Convert to fraction form
    139,228.04/192,134.86 = 75,565.88/x
  3. Step 3: Cross multiply
    139,228.04x = 192,134.86 × 75,565.88
  4. Step 4: Simplify right side
    139,228.04x = 14,518,839,774.58
  5. Step 5: Solve for x
    x = 14,518,839,774.58/139,228.04
  6. Step 6: Final answer
    x = 104,281.00

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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.