Home / 169,315.93-253,909.50-55,437.22

Finding the Fourth Proportional to 169,315.93, 253,909.50 and 55,437.22

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Solution

The fourth proportional to 169,315.93, 253,909.50 and 55,437.22 is: 83,134.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,315.93 : 253,909.50 = 55,437.22 : x
  2. Step 2: Convert to fraction form
    169,315.93/253,909.50 = 55,437.22/x
  3. Step 3: Cross multiply
    169,315.93x = 253,909.50 × 55,437.22
  4. Step 4: Simplify right side
    169,315.93x = 14,076,036,811.59
  5. Step 5: Solve for x
    x = 14,076,036,811.59/169,315.93
  6. Step 6: Final answer
    x = 83,134.75

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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.