Home / 253,948.16-350,446.52-139,225.43

Finding the Fourth Proportional to 253,948.16, 350,446.52 and 139,225.43

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Solution

The fourth proportional to 253,948.16, 350,446.52 and 139,225.43 is: 192,130.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,948.16 : 350,446.52 = 139,225.43 : x
  2. Step 2: Convert to fraction form
    253,948.16/350,446.52 = 139,225.43/x
  3. Step 3: Cross multiply
    253,948.16x = 350,446.52 × 139,225.43
  4. Step 4: Simplify right side
    253,948.16x = 48,791,068,663.18
  5. Step 5: Solve for x
    x = 48,791,068,663.18/253,948.16
  6. Step 6: Final answer
    x = 192,130.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.