Home / 190,116.30-285,159.60-49,871.28

Finding the Fourth Proportional to 190,116.30, 285,159.60 and 49,871.28

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Solution

The fourth proportional to 190,116.30, 285,159.60 and 49,871.28 is: 74,803.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,116.30 : 285,159.60 = 49,871.28 : x
  2. Step 2: Convert to fraction form
    190,116.30/285,159.60 = 49,871.28/x
  3. Step 3: Cross multiply
    190,116.30x = 285,159.60 × 49,871.28
  4. Step 4: Simplify right side
    190,116.30x = 14,221,274,256.29
  5. Step 5: Solve for x
    x = 14,221,274,256.29/190,116.30
  6. Step 6: Final answer
    x = 74,803.02

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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.