Home / 134,706.02-185,890.73-74,275.63

Finding the Fourth Proportional to 134,706.02, 185,890.73 and 74,275.63

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Solution

The fourth proportional to 134,706.02, 185,890.73 and 74,275.63 is: 102,498.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,706.02 : 185,890.73 = 74,275.63 : x
  2. Step 2: Convert to fraction form
    134,706.02/185,890.73 = 74,275.63/x
  3. Step 3: Cross multiply
    134,706.02x = 185,890.73 × 74,275.63
  4. Step 4: Simplify right side
    134,706.02x = 13,807,150,245.80
  5. Step 5: Solve for x
    x = 13,807,150,245.80/134,706.02
  6. Step 6: Final answer
    x = 102,498.39

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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.