Home / 102,516.29-153,779.06-31,433.73

Finding the Fourth Proportional to 102,516.29, 153,779.06 and 31,433.73

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Solution

The fourth proportional to 102,516.29, 153,779.06 and 31,433.73 is: 47,152.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,516.29 : 153,779.06 = 31,433.73 : x
  2. Step 2: Convert to fraction form
    102,516.29/153,779.06 = 31,433.73/x
  3. Step 3: Cross multiply
    102,516.29x = 153,779.06 × 31,433.73
  4. Step 4: Simplify right side
    102,516.29x = 4,833,849,294.53
  5. Step 5: Solve for x
    x = 4,833,849,294.53/102,516.29
  6. Step 6: Final answer
    x = 47,152.01

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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.