Home / 153,386.22-229,773-121,849.68

Finding the Fourth Proportional to 153,386.22, 229,773 and 121,849.68

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Solution

The fourth proportional to 153,386.22, 229,773 and 121,849.68 is: 182,531.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,386.22 : 229,773 = 121,849.68 : x
  2. Step 2: Convert to fraction form
    153,386.22/229,773 = 121,849.68/x
  3. Step 3: Cross multiply
    153,386.22x = 229,773 × 121,849.68
  4. Step 4: Simplify right side
    153,386.22x = 27,997,766,522.64
  5. Step 5: Solve for x
    x = 27,997,766,522.64/153,386.22
  6. Step 6: Final answer
    x = 182,531.17

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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.