Home / 158,866.49-219,237.27-87,248

Finding the Fourth Proportional to 158,866.49, 219,237.27 and 87,248

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Solution

The fourth proportional to 158,866.49, 219,237.27 and 87,248 is: 120,403.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,866.49 : 219,237.27 = 87,248 : x
  2. Step 2: Convert to fraction form
    158,866.49/219,237.27 = 87,248/x
  3. Step 3: Cross multiply
    158,866.49x = 219,237.27 × 87,248
  4. Step 4: Simplify right side
    158,866.49x = 19,128,013,332.96
  5. Step 5: Solve for x
    x = 19,128,013,332.96/158,866.49
  6. Step 6: Final answer
    x = 120,403.07

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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.