Home / 134,285.03-185,314.56-73,031.78

Finding the Fourth Proportional to 134,285.03, 185,314.56 and 73,031.78

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Solution

The fourth proportional to 134,285.03, 185,314.56 and 73,031.78 is: 100,784.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,285.03 : 185,314.56 = 73,031.78 : x
  2. Step 2: Convert to fraction form
    134,285.03/185,314.56 = 73,031.78/x
  3. Step 3: Cross multiply
    134,285.03x = 185,314.56 × 73,031.78
  4. Step 4: Simplify right side
    134,285.03x = 13,533,852,176.72
  5. Step 5: Solve for x
    x = 13,533,852,176.72/134,285.03
  6. Step 6: Final answer
    x = 100,784.52

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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.