Home / 134,722.17-185,917.95-74,295.23

Finding the Fourth Proportional to 134,722.17, 185,917.95 and 74,295.23

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Solution

The fourth proportional to 134,722.17, 185,917.95 and 74,295.23 is: 102,528.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,722.17 : 185,917.95 = 74,295.23 : x
  2. Step 2: Convert to fraction form
    134,722.17/185,917.95 = 74,295.23/x
  3. Step 3: Cross multiply
    134,722.17x = 185,917.95 × 74,295.23
  4. Step 4: Simplify right side
    134,722.17x = 13,812,815,926.79
  5. Step 5: Solve for x
    x = 13,812,815,926.79/134,722.17
  6. Step 6: Final answer
    x = 102,528.16

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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.