Home / 162,510.30-243,166.32-98,505.72

Finding the Fourth Proportional to 162,510.30, 243,166.32 and 98,505.72

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Solution

The fourth proportional to 162,510.30, 243,166.32 and 98,505.72 is: 147,395.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,510.30 : 243,166.32 = 98,505.72 : x
  2. Step 2: Convert to fraction form
    162,510.30/243,166.32 = 98,505.72/x
  3. Step 3: Cross multiply
    162,510.30x = 243,166.32 × 98,505.72
  4. Step 4: Simplify right side
    162,510.30x = 23,953,273,431.35
  5. Step 5: Solve for x
    x = 23,953,273,431.35/162,510.30
  6. Step 6: Final answer
    x = 147,395.42

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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.