Home / 199,726.16-299,426.80-136,386.56

Finding the Fourth Proportional to 199,726.16, 299,426.80 and 136,386.56

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Solution

The fourth proportional to 199,726.16, 299,426.80 and 136,386.56 is: 204,468.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,726.16 : 299,426.80 = 136,386.56 : x
  2. Step 2: Convert to fraction form
    199,726.16/299,426.80 = 136,386.56/x
  3. Step 3: Cross multiply
    199,726.16x = 299,426.80 × 136,386.56
  4. Step 4: Simplify right side
    199,726.16x = 40,837,791,223.81
  5. Step 5: Solve for x
    x = 40,837,791,223.81/199,726.16
  6. Step 6: Final answer
    x = 204,468.91

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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.