Home / 180,518.10-249,118.77-98,849.79

Finding the Fourth Proportional to 180,518.10, 249,118.77 and 98,849.79

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Solution

The fourth proportional to 180,518.10, 249,118.77 and 98,849.79 is: 136,414.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,518.10 : 249,118.77 = 98,849.79 : x
  2. Step 2: Convert to fraction form
    180,518.10/249,118.77 = 98,849.79/x
  3. Step 3: Cross multiply
    180,518.10x = 249,118.77 × 98,849.79
  4. Step 4: Simplify right side
    180,518.10x = 24,625,338,470.25
  5. Step 5: Solve for x
    x = 24,625,338,470.25/180,518.10
  6. Step 6: Final answer
    x = 136,414.79

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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.