Home / 153,867.21-230,830.71-59,090.43

Finding the Fourth Proportional to 153,867.21, 230,830.71 and 59,090.43

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Solution

The fourth proportional to 153,867.21, 230,830.71 and 59,090.43 is: 88,647.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,867.21 : 230,830.71 = 59,090.43 : x
  2. Step 2: Convert to fraction form
    153,867.21/230,830.71 = 59,090.43/x
  3. Step 3: Cross multiply
    153,867.21x = 230,830.71 × 59,090.43
  4. Step 4: Simplify right side
    153,867.21x = 13,639,885,911.11
  5. Step 5: Solve for x
    x = 13,639,885,911.11/153,867.21
  6. Step 6: Final answer
    x = 88,647.13

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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.