Home / 180,550.09-249,158.96-99,977.61

Finding the Fourth Proportional to 180,550.09, 249,158.96 and 99,977.61

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Solution

The fourth proportional to 180,550.09, 249,158.96 and 99,977.61 is: 137,969.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,550.09 : 249,158.96 = 99,977.61 : x
  2. Step 2: Convert to fraction form
    180,550.09/249,158.96 = 99,977.61/x
  3. Step 3: Cross multiply
    180,550.09x = 249,158.96 × 99,977.61
  4. Step 4: Simplify right side
    180,550.09x = 24,910,317,301.11
  5. Step 5: Solve for x
    x = 24,910,317,301.11/180,550.09
  6. Step 6: Final answer
    x = 137,969.01

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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.