Home / 258,026.12-356,076-144,848.76

Finding the Fourth Proportional to 258,026.12, 356,076 and 144,848.76

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Solution

The fourth proportional to 258,026.12, 356,076 and 144,848.76 is: 199,891.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,026.12 : 356,076 = 144,848.76 : x
  2. Step 2: Convert to fraction form
    258,026.12/356,076 = 144,848.76/x
  3. Step 3: Cross multiply
    258,026.12x = 356,076 × 144,848.76
  4. Step 4: Simplify right side
    258,026.12x = 51,577,167,065.76
  5. Step 5: Solve for x
    x = 51,577,167,065.76/258,026.12
  6. Step 6: Final answer
    x = 199,891.26

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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.