Home / 153,503.40-211,834.38-89,853.24

Finding the Fourth Proportional to 153,503.40, 211,834.38 and 89,853.24

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Solution

The fourth proportional to 153,503.40, 211,834.38 and 89,853.24 is: 123,997.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,503.40 : 211,834.38 = 89,853.24 : x
  2. Step 2: Convert to fraction form
    153,503.40/211,834.38 = 89,853.24/x
  3. Step 3: Cross multiply
    153,503.40x = 211,834.38 × 89,853.24
  4. Step 4: Simplify right side
    153,503.40x = 19,034,005,386.39
  5. Step 5: Solve for x
    x = 19,034,005,386.39/153,503.40
  6. Step 6: Final answer
    x = 123,997.29

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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.