Home / 154,421.70-231,643.35-60,915.30

Finding the Fourth Proportional to 154,421.70, 231,643.35 and 60,915.30

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Solution

The fourth proportional to 154,421.70, 231,643.35 and 60,915.30 is: 91,377.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,421.70 : 231,643.35 = 60,915.30 : x
  2. Step 2: Convert to fraction form
    154,421.70/231,643.35 = 60,915.30/x
  3. Step 3: Cross multiply
    154,421.70x = 231,643.35 × 60,915.30
  4. Step 4: Simplify right side
    154,421.70x = 14,110,624,158.26
  5. Step 5: Solve for x
    x = 14,110,624,158.26/154,421.70
  6. Step 6: Final answer
    x = 91,377.21

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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.