Home / 180,925.87-249,707.58-100,379.35

Finding the Fourth Proportional to 180,925.87, 249,707.58 and 100,379.35

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Solution

The fourth proportional to 180,925.87, 249,707.58 and 100,379.35 is: 138,540.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,925.87 : 249,707.58 = 100,379.35 : x
  2. Step 2: Convert to fraction form
    180,925.87/249,707.58 = 100,379.35/x
  3. Step 3: Cross multiply
    180,925.87x = 249,707.58 × 100,379.35
  4. Step 4: Simplify right side
    180,925.87x = 25,065,484,570.47
  5. Step 5: Solve for x
    x = 25,065,484,570.47/180,925.87
  6. Step 6: Final answer
    x = 138,540.08

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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.