Home / 180,746.84-249,430.67-100,179.57

Finding the Fourth Proportional to 180,746.84, 249,430.67 and 100,179.57

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Solution

The fourth proportional to 180,746.84, 249,430.67 and 100,179.57 is: 138,247.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,746.84 : 249,430.67 = 100,179.57 : x
  2. Step 2: Convert to fraction form
    180,746.84/249,430.67 = 100,179.57/x
  3. Step 3: Cross multiply
    180,746.84x = 249,430.67 × 100,179.57
  4. Step 4: Simplify right side
    180,746.84x = 24,987,857,265.41
  5. Step 5: Solve for x
    x = 24,987,857,265.41/180,746.84
  6. Step 6: Final answer
    x = 138,247.82

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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.