Home / 180,677.36-249,344.04-109,056.40

Finding the Fourth Proportional to 180,677.36, 249,344.04 and 109,056.40

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Solution

The fourth proportional to 180,677.36, 249,344.04 and 109,056.40 is: 150,503.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,677.36 : 249,344.04 = 109,056.40 : x
  2. Step 2: Convert to fraction form
    180,677.36/249,344.04 = 109,056.40/x
  3. Step 3: Cross multiply
    180,677.36x = 249,344.04 × 109,056.40
  4. Step 4: Simplify right side
    180,677.36x = 27,192,563,363.86
  5. Step 5: Solve for x
    x = 27,192,563,363.86/180,677.36
  6. Step 6: Final answer
    x = 150,503.44

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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.