Home / 153,232.36-211,485.81-89,557.72

Finding the Fourth Proportional to 153,232.36, 211,485.81 and 89,557.72

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Solution

The fourth proportional to 153,232.36, 211,485.81 and 89,557.72 is: 123,604.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,232.36 : 211,485.81 = 89,557.72 : x
  2. Step 2: Convert to fraction form
    153,232.36/211,485.81 = 89,557.72/x
  3. Step 3: Cross multiply
    153,232.36x = 211,485.81 × 89,557.72
  4. Step 4: Simplify right side
    153,232.36x = 18,940,186,955.95
  5. Step 5: Solve for x
    x = 18,940,186,955.95/153,232.36
  6. Step 6: Final answer
    x = 123,604.35

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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.