Home / 153,292.90-211,363.26-104,918.16

Finding the Fourth Proportional to 153,292.90, 211,363.26 and 104,918.16

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Solution

The fourth proportional to 153,292.90, 211,363.26 and 104,918.16 is: 144,663.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,292.90 : 211,363.26 = 104,918.16 : x
  2. Step 2: Convert to fraction form
    153,292.90/211,363.26 = 104,918.16/x
  3. Step 3: Cross multiply
    153,292.90x = 211,363.26 × 104,918.16
  4. Step 4: Simplify right side
    153,292.90x = 22,175,844,330.80
  5. Step 5: Solve for x
    x = 22,175,844,330.80/153,292.90
  6. Step 6: Final answer
    x = 144,663.22

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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.