Home / 152,066.71-209,846.12-90,823.28

Finding the Fourth Proportional to 152,066.71, 209,846.12 and 90,823.28

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Solution

The fourth proportional to 152,066.71, 209,846.12 and 90,823.28 is: 125,332.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,066.71 : 209,846.12 = 90,823.28 : x
  2. Step 2: Convert to fraction form
    152,066.71/209,846.12 = 90,823.28/x
  3. Step 3: Cross multiply
    152,066.71x = 209,846.12 × 90,823.28
  4. Step 4: Simplify right side
    152,066.71x = 19,058,912,984.17
  5. Step 5: Solve for x
    x = 19,058,912,984.17/152,066.71
  6. Step 6: Final answer
    x = 125,332.58

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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.