Home / 162,055.62-243,156.33-102,875.40

Finding the Fourth Proportional to 162,055.62, 243,156.33 and 102,875.40

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Solution

The fourth proportional to 162,055.62, 243,156.33 and 102,875.40 is: 154,359.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,055.62 : 243,156.33 = 102,875.40 : x
  2. Step 2: Convert to fraction form
    162,055.62/243,156.33 = 102,875.40/x
  3. Step 3: Cross multiply
    162,055.62x = 243,156.33 × 102,875.40
  4. Step 4: Simplify right side
    162,055.62x = 25,014,804,711.28
  5. Step 5: Solve for x
    x = 25,014,804,711.28/162,055.62
  6. Step 6: Final answer
    x = 154,359.38

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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.