Home / 153,721.95-229,054.72-136,953.12

Finding the Fourth Proportional to 153,721.95, 229,054.72 and 136,953.12

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Solution

The fourth proportional to 153,721.95, 229,054.72 and 136,953.12 is: 204,068.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,721.95 : 229,054.72 = 136,953.12 : x
  2. Step 2: Convert to fraction form
    153,721.95/229,054.72 = 136,953.12/x
  3. Step 3: Cross multiply
    153,721.95x = 229,054.72 × 136,953.12
  4. Step 4: Simplify right side
    153,721.95x = 31,369,758,554.73
  5. Step 5: Solve for x
    x = 31,369,758,554.73/153,721.95
  6. Step 6: Final answer
    x = 204,068.18

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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.