Home / 154,437.40-232,001.70-148,139.80

Finding the Fourth Proportional to 154,437.40, 232,001.70 and 148,139.80

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Solution

The fourth proportional to 154,437.40, 232,001.70 and 148,139.80 is: 222,541.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,437.40 : 232,001.70 = 148,139.80 : x
  2. Step 2: Convert to fraction form
    154,437.40/232,001.70 = 148,139.80/x
  3. Step 3: Cross multiply
    154,437.40x = 232,001.70 × 148,139.80
  4. Step 4: Simplify right side
    154,437.40x = 34,368,685,437.66
  5. Step 5: Solve for x
    x = 34,368,685,437.66/154,437.40
  6. Step 6: Final answer
    x = 222,541.21

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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.