Home / 134,807.76-186,031.62-74,384.10

Finding the Fourth Proportional to 134,807.76, 186,031.62 and 74,384.10

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Solution

The fourth proportional to 134,807.76, 186,031.62 and 74,384.10 is: 102,648.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,807.76 : 186,031.62 = 74,384.10 : x
  2. Step 2: Convert to fraction form
    134,807.76/186,031.62 = 74,384.10/x
  3. Step 3: Cross multiply
    134,807.76x = 186,031.62 × 74,384.10
  4. Step 4: Simplify right side
    134,807.76x = 13,837,794,625.24
  5. Step 5: Solve for x
    x = 13,837,794,625.24/134,807.76
  6. Step 6: Final answer
    x = 102,648.35

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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.