Home / 180,814.86-249,539.24-100,267.64

Finding the Fourth Proportional to 180,814.86, 249,539.24 and 100,267.64

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Solution

The fourth proportional to 180,814.86, 249,539.24 and 100,267.64 is: 138,377.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,814.86 : 249,539.24 = 100,267.64 : x
  2. Step 2: Convert to fraction form
    180,814.86/249,539.24 = 100,267.64/x
  3. Step 3: Cross multiply
    180,814.86x = 249,539.24 × 100,267.64
  4. Step 4: Simplify right side
    180,814.86x = 25,020,710,682.19
  5. Step 5: Solve for x
    x = 25,020,710,682.19/180,814.86
  6. Step 6: Final answer
    x = 138,377.51

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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.