Home / 134,646.10-185,812.92-74,219.08

Finding the Fourth Proportional to 134,646.10, 185,812.92 and 74,219.08

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Solution

The fourth proportional to 134,646.10, 185,812.92 and 74,219.08 is: 102,423.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,646.10 : 185,812.92 = 74,219.08 : x
  2. Step 2: Convert to fraction form
    134,646.10/185,812.92 = 74,219.08/x
  3. Step 3: Cross multiply
    134,646.10x = 185,812.92 × 74,219.08
  4. Step 4: Simplify right side
    134,646.10x = 13,790,863,974.51
  5. Step 5: Solve for x
    x = 13,790,863,974.51/134,646.10
  6. Step 6: Final answer
    x = 102,423.05

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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.