Home / 130,815.45-180,523.02-73,455.23

Finding the Fourth Proportional to 130,815.45, 180,523.02 and 73,455.23

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Solution

The fourth proportional to 130,815.45, 180,523.02 and 73,455.23 is: 101,366.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,815.45 : 180,523.02 = 73,455.23 : x
  2. Step 2: Convert to fraction form
    130,815.45/180,523.02 = 73,455.23/x
  3. Step 3: Cross multiply
    130,815.45x = 180,523.02 × 73,455.23
  4. Step 4: Simplify right side
    130,815.45x = 13,260,359,051.78
  5. Step 5: Solve for x
    x = 13,260,359,051.78/130,815.45
  6. Step 6: Final answer
    x = 101,366.92

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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.