Home / 180,895.86-249,651.23-100,349.35

Finding the Fourth Proportional to 180,895.86, 249,651.23 and 100,349.35

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Solution

The fourth proportional to 180,895.86, 249,651.23 and 100,349.35 is: 138,490.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,895.86 : 249,651.23 = 100,349.35 : x
  2. Step 2: Convert to fraction form
    180,895.86/249,651.23 = 100,349.35/x
  3. Step 3: Cross multiply
    180,895.86x = 249,651.23 × 100,349.35
  4. Step 4: Simplify right side
    180,895.86x = 25,052,338,657.20
  5. Step 5: Solve for x
    x = 25,052,338,657.20/180,895.86
  6. Step 6: Final answer
    x = 138,490.39

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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.