Home / 125,176.86-187,813.08-75,292.20

Finding the Fourth Proportional to 125,176.86, 187,813.08 and 75,292.20

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Solution

The fourth proportional to 125,176.86, 187,813.08 and 75,292.20 is: 112,967.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,176.86 : 187,813.08 = 75,292.20 : x
  2. Step 2: Convert to fraction form
    125,176.86/187,813.08 = 75,292.20/x
  3. Step 3: Cross multiply
    125,176.86x = 187,813.08 × 75,292.20
  4. Step 4: Simplify right side
    125,176.86x = 14,140,859,981.98
  5. Step 5: Solve for x
    x = 14,140,859,981.98/125,176.86
  6. Step 6: Final answer
    x = 112,967.05

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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.