Home / 103,602.04-154,634.18-89,309.32

Finding the Fourth Proportional to 103,602.04, 154,634.18 and 89,309.32

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Solution

The fourth proportional to 103,602.04, 154,634.18 and 89,309.32 is: 133,301.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,602.04 : 154,634.18 = 89,309.32 : x
  2. Step 2: Convert to fraction form
    103,602.04/154,634.18 = 89,309.32/x
  3. Step 3: Cross multiply
    103,602.04x = 154,634.18 × 89,309.32
  4. Step 4: Simplify right side
    103,602.04x = 13,810,273,464.56
  5. Step 5: Solve for x
    x = 13,810,273,464.56/103,602.04
  6. Step 6: Final answer
    x = 133,301.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.