Home / 103,242.32-142,485.16-57,932.52

Finding the Fourth Proportional to 103,242.32, 142,485.16 and 57,932.52

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Solution

The fourth proportional to 103,242.32, 142,485.16 and 57,932.52 is: 79,952.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,242.32 : 142,485.16 = 57,932.52 : x
  2. Step 2: Convert to fraction form
    103,242.32/142,485.16 = 57,932.52/x
  3. Step 3: Cross multiply
    103,242.32x = 142,485.16 × 57,932.52
  4. Step 4: Simplify right side
    103,242.32x = 8,254,524,381.40
  5. Step 5: Solve for x
    x = 8,254,524,381.40/103,242.32
  6. Step 6: Final answer
    x = 79,952.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.