Home / 180,780.50-249,479.58-99,116.43

Finding the Fourth Proportional to 180,780.50, 249,479.58 and 99,116.43

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Solution

The fourth proportional to 180,780.50, 249,479.58 and 99,116.43 is: 136,782.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,780.50 : 249,479.58 = 99,116.43 : x
  2. Step 2: Convert to fraction form
    180,780.50/249,479.58 = 99,116.43/x
  3. Step 3: Cross multiply
    180,780.50x = 249,479.58 × 99,116.43
  4. Step 4: Simplify right side
    180,780.50x = 24,727,525,327.50
  5. Step 5: Solve for x
    x = 24,727,525,327.50/180,780.50
  6. Step 6: Final answer
    x = 136,782.04

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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.