Home / 154,752.42-213,651.51-101,127.18

Finding the Fourth Proportional to 154,752.42, 213,651.51 and 101,127.18

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Solution

The fourth proportional to 154,752.42, 213,651.51 and 101,127.18 is: 139,616.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,752.42 : 213,651.51 = 101,127.18 : x
  2. Step 2: Convert to fraction form
    154,752.42/213,651.51 = 101,127.18/x
  3. Step 3: Cross multiply
    154,752.42x = 213,651.51 × 101,127.18
  4. Step 4: Simplify right side
    154,752.42x = 21,605,974,709.04
  5. Step 5: Solve for x
    x = 21,605,974,709.04/154,752.42
  6. Step 6: Final answer
    x = 139,616.39

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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.