Home / 120,352.42-180,545.91-41,445.46

Finding the Fourth Proportional to 120,352.42, 180,545.91 and 41,445.46

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Solution

The fourth proportional to 120,352.42, 180,545.91 and 41,445.46 is: 62,174.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,352.42 : 180,545.91 = 41,445.46 : x
  2. Step 2: Convert to fraction form
    120,352.42/180,545.91 = 41,445.46/x
  3. Step 3: Cross multiply
    120,352.42x = 180,545.91 × 41,445.46
  4. Step 4: Simplify right side
    120,352.42x = 7,482,808,291.07
  5. Step 5: Solve for x
    x = 7,482,808,291.07/120,352.42
  6. Step 6: Final answer
    x = 62,174.14

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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.