Home / 185,376.95-278,097.72-90,672.51

Finding the Fourth Proportional to 185,376.95, 278,097.72 and 90,672.51

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Solution

The fourth proportional to 185,376.95, 278,097.72 and 90,672.51 is: 136,024.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,376.95 : 278,097.72 = 90,672.51 : x
  2. Step 2: Convert to fraction form
    185,376.95/278,097.72 = 90,672.51/x
  3. Step 3: Cross multiply
    185,376.95x = 278,097.72 × 90,672.51
  4. Step 4: Simplify right side
    185,376.95x = 25,215,817,941.98
  5. Step 5: Solve for x
    x = 25,215,817,941.98/185,376.95
  6. Step 6: Final answer
    x = 136,024.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.