Home / 134,384.10-185,446.08-73,954.72

Finding the Fourth Proportional to 134,384.10, 185,446.08 and 73,954.72

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Solution

The fourth proportional to 134,384.10, 185,446.08 and 73,954.72 is: 102,055.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,384.10 : 185,446.08 = 73,954.72 : x
  2. Step 2: Convert to fraction form
    134,384.10/185,446.08 = 73,954.72/x
  3. Step 3: Cross multiply
    134,384.10x = 185,446.08 × 73,954.72
  4. Step 4: Simplify right side
    134,384.10x = 13,714,612,921.50
  5. Step 5: Solve for x
    x = 13,714,612,921.50/134,384.10
  6. Step 6: Final answer
    x = 102,055.32

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1.5x scale

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.