Home / 282,442.43-423,735.35-130,748.87

Finding the Fourth Proportional to 282,442.43, 423,735.35 and 130,748.87

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Solution

The fourth proportional to 282,442.43, 423,735.35 and 130,748.87 is: 196,156.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,442.43 : 423,735.35 = 130,748.87 : x
  2. Step 2: Convert to fraction form
    282,442.43/423,735.35 = 130,748.87/x
  3. Step 3: Cross multiply
    282,442.43x = 423,735.35 × 130,748.87
  4. Step 4: Simplify right side
    282,442.43x = 55,402,915,746.01
  5. Step 5: Solve for x
    x = 55,402,915,746.01/282,442.43
  6. Step 6: Final answer
    x = 196,156.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.