Home / 155,496.84-214,582.24-86,585.80

Finding the Fourth Proportional to 155,496.84, 214,582.24 and 86,585.80

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Solution

The fourth proportional to 155,496.84, 214,582.24 and 86,585.80 is: 119,486.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,496.84 : 214,582.24 = 86,585.80 : x
  2. Step 2: Convert to fraction form
    155,496.84/214,582.24 = 86,585.80/x
  3. Step 3: Cross multiply
    155,496.84x = 214,582.24 × 86,585.80
  4. Step 4: Simplify right side
    155,496.84x = 18,579,774,916.19
  5. Step 5: Solve for x
    x = 18,579,774,916.19/155,496.84
  6. Step 6: Final answer
    x = 119,486.51

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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.