Home / 134,995.40-186,279.10-74,563.12

Finding the Fourth Proportional to 134,995.40, 186,279.10 and 74,563.12

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Solution

The fourth proportional to 134,995.40, 186,279.10 and 74,563.12 is: 102,889.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,995.40 : 186,279.10 = 74,563.12 : x
  2. Step 2: Convert to fraction form
    134,995.40/186,279.10 = 74,563.12/x
  3. Step 3: Cross multiply
    134,995.40x = 186,279.10 × 74,563.12
  4. Step 4: Simplify right side
    134,995.40x = 13,889,550,886.79
  5. Step 5: Solve for x
    x = 13,889,550,886.79/134,995.40
  6. Step 6: Final answer
    x = 102,889.07

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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.