Home / 154,824.02-213,665.60-86,862.52

Finding the Fourth Proportional to 154,824.02, 213,665.60 and 86,862.52

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Solution

The fourth proportional to 154,824.02, 213,665.60 and 86,862.52 is: 119,875.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,824.02 : 213,665.60 = 86,862.52 : x
  2. Step 2: Convert to fraction form
    154,824.02/213,665.60 = 86,862.52/x
  3. Step 3: Cross multiply
    154,824.02x = 213,665.60 × 86,862.52
  4. Step 4: Simplify right side
    154,824.02x = 18,559,532,453.31
  5. Step 5: Solve for x
    x = 18,559,532,453.31/154,824.02
  6. Step 6: Final answer
    x = 119,875.02

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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.