Home / 205,721.19-283,925.51-125,133.14

Finding the Fourth Proportional to 205,721.19, 283,925.51 and 125,133.14

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Solution

The fourth proportional to 205,721.19, 283,925.51 and 125,133.14 is: 172,702.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,721.19 : 283,925.51 = 125,133.14 : x
  2. Step 2: Convert to fraction form
    205,721.19/283,925.51 = 125,133.14/x
  3. Step 3: Cross multiply
    205,721.19x = 283,925.51 × 125,133.14
  4. Step 4: Simplify right side
    205,721.19x = 35,528,488,547.11
  5. Step 5: Solve for x
    x = 35,528,488,547.11/205,721.19
  6. Step 6: Final answer
    x = 172,702.13

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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.