Home / 252,407.76-348,329.28-137,688.36

Finding the Fourth Proportional to 252,407.76, 348,329.28 and 137,688.36

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Solution

The fourth proportional to 252,407.76, 348,329.28 and 137,688.36 is: 190,013.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,407.76 : 348,329.28 = 137,688.36 : x
  2. Step 2: Convert to fraction form
    252,407.76/348,329.28 = 137,688.36/x
  3. Step 3: Cross multiply
    252,407.76x = 348,329.28 × 137,688.36
  4. Step 4: Simplify right side
    252,407.76x = 47,960,887,303.18
  5. Step 5: Solve for x
    x = 47,960,887,303.18/252,407.76
  6. Step 6: Final answer
    x = 190,013.52

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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.