Home / 145,069.24-217,545.62-45,196.60

Finding the Fourth Proportional to 145,069.24, 217,545.62 and 45,196.60

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Solution

The fourth proportional to 145,069.24, 217,545.62 and 45,196.60 is: 67,776.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,069.24 : 217,545.62 = 45,196.60 : x
  2. Step 2: Convert to fraction form
    145,069.24/217,545.62 = 45,196.60/x
  3. Step 3: Cross multiply
    145,069.24x = 217,545.62 × 45,196.60
  4. Step 4: Simplify right side
    145,069.24x = 9,832,322,368.89
  5. Step 5: Solve for x
    x = 9,832,322,368.89/145,069.24
  6. Step 6: Final answer
    x = 67,776.76

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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.