Home / 155,130.53-232,696.94-84,971.57

Finding the Fourth Proportional to 155,130.53, 232,696.94 and 84,971.57

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Solution

The fourth proportional to 155,130.53, 232,696.94 and 84,971.57 is: 127,457.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,130.53 : 232,696.94 = 84,971.57 : x
  2. Step 2: Convert to fraction form
    155,130.53/232,696.94 = 84,971.57/x
  3. Step 3: Cross multiply
    155,130.53x = 232,696.94 × 84,971.57
  4. Step 4: Simplify right side
    155,130.53x = 19,772,622,737.65
  5. Step 5: Solve for x
    x = 19,772,622,737.65/155,130.53
  6. Step 6: Final answer
    x = 127,457.98

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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.