Home / 125,226.95-172,812.81-67,867.91

Finding the Fourth Proportional to 125,226.95, 172,812.81 and 67,867.91

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Solution

The fourth proportional to 125,226.95, 172,812.81 and 67,867.91 is: 93,657.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,226.95 : 172,812.81 = 67,867.91 : x
  2. Step 2: Convert to fraction form
    125,226.95/172,812.81 = 67,867.91/x
  3. Step 3: Cross multiply
    125,226.95x = 172,812.81 × 67,867.91
  4. Step 4: Simplify right side
    125,226.95x = 11,728,444,235.93
  5. Step 5: Solve for x
    x = 11,728,444,235.93/125,226.95
  6. Step 6: Final answer
    x = 93,657.51

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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.