Home / 180,639.03-249,278.58-100,066.30

Finding the Fourth Proportional to 180,639.03, 249,278.58 and 100,066.30

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Solution

The fourth proportional to 180,639.03, 249,278.58 and 100,066.30 is: 138,089.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,639.03 : 249,278.58 = 100,066.30 : x
  2. Step 2: Convert to fraction form
    180,639.03/249,278.58 = 100,066.30/x
  3. Step 3: Cross multiply
    180,639.03x = 249,278.58 × 100,066.30
  4. Step 4: Simplify right side
    180,639.03x = 24,944,385,169.85
  5. Step 5: Solve for x
    x = 24,944,385,169.85/180,639.03
  6. Step 6: Final answer
    x = 138,089.68

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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.