Home / 190,159.84-285,228.24-49,915.36

Finding the Fourth Proportional to 190,159.84, 285,228.24 and 49,915.36

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Solution

The fourth proportional to 190,159.84, 285,228.24 and 49,915.36 is: 74,870.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,159.84 : 285,228.24 = 49,915.36 : x
  2. Step 2: Convert to fraction form
    190,159.84/285,228.24 = 49,915.36/x
  3. Step 3: Cross multiply
    190,159.84x = 285,228.24 × 49,915.36
  4. Step 4: Simplify right side
    190,159.84x = 14,237,270,281.77
  5. Step 5: Solve for x
    x = 14,237,270,281.77/190,159.84
  6. Step 6: Final answer
    x = 74,870.02

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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.