Home / 154,534.80-232,020.90-121,292.40

Finding the Fourth Proportional to 154,534.80, 232,020.90 and 121,292.40

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Solution

The fourth proportional to 154,534.80, 232,020.90 and 121,292.40 is: 182,110.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,534.80 : 232,020.90 = 121,292.40 : x
  2. Step 2: Convert to fraction form
    154,534.80/232,020.90 = 121,292.40/x
  3. Step 3: Cross multiply
    154,534.80x = 232,020.90 × 121,292.40
  4. Step 4: Simplify right side
    154,534.80x = 28,142,371,811.16
  5. Step 5: Solve for x
    x = 28,142,371,811.16/154,534.80
  6. Step 6: Final answer
    x = 182,110.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.