Home / 134,319.07-185,358.98-73,889.78

Finding the Fourth Proportional to 134,319.07, 185,358.98 and 73,889.78

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Solution

The fourth proportional to 134,319.07, 185,358.98 and 73,889.78 is: 101,967.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,319.07 : 185,358.98 = 73,889.78 : x
  2. Step 2: Convert to fraction form
    134,319.07/185,358.98 = 73,889.78/x
  3. Step 3: Cross multiply
    134,319.07x = 185,358.98 × 73,889.78
  4. Step 4: Simplify right side
    134,319.07x = 13,696,134,901.35
  5. Step 5: Solve for x
    x = 13,696,134,901.35/134,319.07
  6. Step 6: Final answer
    x = 101,967.17

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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.