Home / 130,550.58-180,176.13-73,980.18

Finding the Fourth Proportional to 130,550.58, 180,176.13 and 73,980.18

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Solution

The fourth proportional to 130,550.58, 180,176.13 and 73,980.18 is: 102,101.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,550.58 : 180,176.13 = 73,980.18 : x
  2. Step 2: Convert to fraction form
    130,550.58/180,176.13 = 73,980.18/x
  3. Step 3: Cross multiply
    130,550.58x = 180,176.13 × 73,980.18
  4. Step 4: Simplify right side
    130,550.58x = 13,329,462,529.10
  5. Step 5: Solve for x
    x = 13,329,462,529.10/130,550.58
  6. Step 6: Final answer
    x = 102,101.90

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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.