Home / 154,298.31-231,465.95-54,437.86

Finding the Fourth Proportional to 154,298.31, 231,465.95 and 54,437.86

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Solution

The fourth proportional to 154,298.31, 231,465.95 and 54,437.86 is: 81,663.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,298.31 : 231,465.95 = 54,437.86 : x
  2. Step 2: Convert to fraction form
    154,298.31/231,465.95 = 54,437.86/x
  3. Step 3: Cross multiply
    154,298.31x = 231,465.95 × 54,437.86
  4. Step 4: Simplify right side
    154,298.31x = 12,600,510,980.87
  5. Step 5: Solve for x
    x = 12,600,510,980.87/154,298.31
  6. Step 6: Final answer
    x = 81,663.31

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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.