Home / 155,551.02-214,681.26-87,581.48

Finding the Fourth Proportional to 155,551.02, 214,681.26 and 87,581.48

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Solution

The fourth proportional to 155,551.02, 214,681.26 and 87,581.48 is: 120,874.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,551.02 : 214,681.26 = 87,581.48 : x
  2. Step 2: Convert to fraction form
    155,551.02/214,681.26 = 87,581.48/x
  3. Step 3: Cross multiply
    155,551.02x = 214,681.26 × 87,581.48
  4. Step 4: Simplify right side
    155,551.02x = 18,802,102,479.06
  5. Step 5: Solve for x
    x = 18,802,102,479.06/155,551.02
  6. Step 6: Final answer
    x = 120,874.18

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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.