Home / 252,228.57-348,077.80-139,055.37

Finding the Fourth Proportional to 252,228.57, 348,077.80 and 139,055.37

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Solution

The fourth proportional to 252,228.57, 348,077.80 and 139,055.37 is: 191,897.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,228.57 : 348,077.80 = 139,055.37 : x
  2. Step 2: Convert to fraction form
    252,228.57/348,077.80 = 139,055.37/x
  3. Step 3: Cross multiply
    252,228.57x = 348,077.80 × 139,055.37
  4. Step 4: Simplify right side
    252,228.57x = 48,402,087,267.79
  5. Step 5: Solve for x
    x = 48,402,087,267.79/252,228.57
  6. Step 6: Final answer
    x = 191,897.72

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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.