Home / 153,054.28-211,182.15-89,363.17

Finding the Fourth Proportional to 153,054.28, 211,182.15 and 89,363.17

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Solution

The fourth proportional to 153,054.28, 211,182.15 and 89,363.17 is: 123,302.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,054.28 : 211,182.15 = 89,363.17 : x
  2. Step 2: Convert to fraction form
    153,054.28/211,182.15 = 89,363.17/x
  3. Step 3: Cross multiply
    153,054.28x = 211,182.15 × 89,363.17
  4. Step 4: Simplify right side
    153,054.28x = 18,871,906,371.42
  5. Step 5: Solve for x
    x = 18,871,906,371.42/153,054.28
  6. Step 6: Final answer
    x = 123,302.05

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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.