Home / 134,722.58-185,929.63-77,369.45

Finding the Fourth Proportional to 134,722.58, 185,929.63 and 77,369.45

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Solution

The fourth proportional to 134,722.58, 185,929.63 and 77,369.45 is: 106,777.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,722.58 : 185,929.63 = 77,369.45 : x
  2. Step 2: Convert to fraction form
    134,722.58/185,929.63 = 77,369.45/x
  3. Step 3: Cross multiply
    134,722.58x = 185,929.63 × 77,369.45
  4. Step 4: Simplify right side
    134,722.58x = 14,385,272,088.73
  5. Step 5: Solve for x
    x = 14,385,272,088.73/134,722.58
  6. Step 6: Final answer
    x = 106,777.00

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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.