Home / 120,193.93-180,332.71-45,335.55

Finding the Fourth Proportional to 120,193.93, 180,332.71 and 45,335.55

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Solution

The fourth proportional to 120,193.93, 180,332.71 and 45,335.55 is: 68,019.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,193.93 : 180,332.71 = 45,335.55 : x
  2. Step 2: Convert to fraction form
    120,193.93/180,332.71 = 45,335.55/x
  3. Step 3: Cross multiply
    120,193.93x = 180,332.71 × 45,335.55
  4. Step 4: Simplify right side
    120,193.93x = 8,175,482,477.50
  5. Step 5: Solve for x
    x = 8,175,482,477.50/120,193.93
  6. Step 6: Final answer
    x = 68,019.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.