Home / 195,574.71-293,315.09-90,292.53

Finding the Fourth Proportional to 195,574.71, 293,315.09 and 90,292.53

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Solution

The fourth proportional to 195,574.71, 293,315.09 and 90,292.53 is: 135,417.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,574.71 : 293,315.09 = 90,292.53 : x
  2. Step 2: Convert to fraction form
    195,574.71/293,315.09 = 90,292.53/x
  3. Step 3: Cross multiply
    195,574.71x = 293,315.09 × 90,292.53
  4. Step 4: Simplify right side
    195,574.71x = 26,484,161,111.82
  5. Step 5: Solve for x
    x = 26,484,161,111.82/195,574.71
  6. Step 6: Final answer
    x = 135,417.11

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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.