Home / 154,552.09-213,354.93-103,598.11

Finding the Fourth Proportional to 154,552.09, 213,354.93 and 103,598.11

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Solution

The fourth proportional to 154,552.09, 213,354.93 and 103,598.11 is: 143,014.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,552.09 : 213,354.93 = 103,598.11 : x
  2. Step 2: Convert to fraction form
    154,552.09/213,354.93 = 103,598.11/x
  3. Step 3: Cross multiply
    154,552.09x = 213,354.93 × 103,598.11
  4. Step 4: Simplify right side
    154,552.09x = 22,103,167,507.18
  5. Step 5: Solve for x
    x = 22,103,167,507.18/154,552.09
  6. Step 6: Final answer
    x = 143,014.36

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1.5x scale

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.