Home / 145,876.73-217,280.94-139,051.13

Finding the Fourth Proportional to 145,876.73, 217,280.94 and 139,051.13

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Solution

The fourth proportional to 145,876.73, 217,280.94 and 139,051.13 is: 207,114.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,876.73 : 217,280.94 = 139,051.13 : x
  2. Step 2: Convert to fraction form
    145,876.73/217,280.94 = 139,051.13/x
  3. Step 3: Cross multiply
    145,876.73x = 217,280.94 × 139,051.13
  4. Step 4: Simplify right side
    145,876.73x = 30,213,158,626.62
  5. Step 5: Solve for x
    x = 30,213,158,626.62/145,876.73
  6. Step 6: Final answer
    x = 207,114.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.