Home / 102,350.64-153,549.33-31,283.40

Finding the Fourth Proportional to 102,350.64, 153,549.33 and 31,283.40

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Solution

The fourth proportional to 102,350.64, 153,549.33 and 31,283.40 is: 46,932.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,350.64 : 153,549.33 = 31,283.40 : x
  2. Step 2: Convert to fraction form
    102,350.64/153,549.33 = 31,283.40/x
  3. Step 3: Cross multiply
    102,350.64x = 153,549.33 × 31,283.40
  4. Step 4: Simplify right side
    102,350.64x = 4,803,545,110.12
  5. Step 5: Solve for x
    x = 4,803,545,110.12/102,350.64
  6. Step 6: Final answer
    x = 46,932.24

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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.