Home / 154,473.88-231,703.86-42,153.71

Finding the Fourth Proportional to 154,473.88, 231,703.86 and 42,153.71

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Solution

The fourth proportional to 154,473.88, 231,703.86 and 42,153.71 is: 63,228.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,473.88 : 231,703.86 = 42,153.71 : x
  2. Step 2: Convert to fraction form
    154,473.88/231,703.86 = 42,153.71/x
  3. Step 3: Cross multiply
    154,473.88x = 231,703.86 × 42,153.71
  4. Step 4: Simplify right side
    154,473.88x = 9,767,177,320.32
  5. Step 5: Solve for x
    x = 9,767,177,320.32/154,473.88
  6. Step 6: Final answer
    x = 63,228.67

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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.