Home / 134,797.10-186,018.71-74,368.23

Finding the Fourth Proportional to 134,797.10, 186,018.71 and 74,368.23

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Solution

The fourth proportional to 134,797.10, 186,018.71 and 74,368.23 is: 102,627.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,797.10 : 186,018.71 = 74,368.23 : x
  2. Step 2: Convert to fraction form
    134,797.10/186,018.71 = 74,368.23/x
  3. Step 3: Cross multiply
    134,797.10x = 186,018.71 × 74,368.23
  4. Step 4: Simplify right side
    134,797.10x = 13,833,882,395.50
  5. Step 5: Solve for x
    x = 13,833,882,395.50/134,797.10
  6. Step 6: Final answer
    x = 102,627.45

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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.