Home / 102,362.12-153,439.29-39,166.02

Finding the Fourth Proportional to 102,362.12, 153,439.29 and 39,166.02

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Solution

The fourth proportional to 102,362.12, 153,439.29 and 39,166.02 is: 58,709.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,362.12 : 153,439.29 = 39,166.02 : x
  2. Step 2: Convert to fraction form
    102,362.12/153,439.29 = 39,166.02/x
  3. Step 3: Cross multiply
    102,362.12x = 153,439.29 × 39,166.02
  4. Step 4: Simplify right side
    102,362.12x = 6,009,606,300.93
  5. Step 5: Solve for x
    x = 6,009,606,300.93/102,362.12
  6. Step 6: Final answer
    x = 58,709.28

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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.