Home / 163,031.91-224,907.49-115,311.57

Finding the Fourth Proportional to 163,031.91, 224,907.49 and 115,311.57

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Solution

The fourth proportional to 163,031.91, 224,907.49 and 115,311.57 is: 159,075.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,031.91 : 224,907.49 = 115,311.57 : x
  2. Step 2: Convert to fraction form
    163,031.91/224,907.49 = 115,311.57/x
  3. Step 3: Cross multiply
    163,031.91x = 224,907.49 × 115,311.57
  4. Step 4: Simplify right side
    163,031.91x = 25,934,434,428.77
  5. Step 5: Solve for x
    x = 25,934,434,428.77/163,031.91
  6. Step 6: Final answer
    x = 159,075.82

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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.