Home / 120,695.90-180,752.45-60,535.17

Finding the Fourth Proportional to 120,695.90, 180,752.45 and 60,535.17

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Solution

The fourth proportional to 120,695.90, 180,752.45 and 60,535.17 is: 90,656.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,695.90 : 180,752.45 = 60,535.17 : x
  2. Step 2: Convert to fraction form
    120,695.90/180,752.45 = 60,535.17/x
  3. Step 3: Cross multiply
    120,695.90x = 180,752.45 × 60,535.17
  4. Step 4: Simplify right side
    120,695.90x = 10,941,879,985.99
  5. Step 5: Solve for x
    x = 10,941,879,985.99/120,695.90
  6. Step 6: Final answer
    x = 90,656.60

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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.