Home / 153,938.16-230,920.84-43,130.48

Finding the Fourth Proportional to 153,938.16, 230,920.84 and 43,130.48

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Solution

The fourth proportional to 153,938.16, 230,920.84 and 43,130.48 is: 64,699.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,938.16 : 230,920.84 = 43,130.48 : x
  2. Step 2: Convert to fraction form
    153,938.16/230,920.84 = 43,130.48/x
  3. Step 3: Cross multiply
    153,938.16x = 230,920.84 × 43,130.48
  4. Step 4: Simplify right side
    153,938.16x = 9,959,726,671.20
  5. Step 5: Solve for x
    x = 9,959,726,671.20/153,938.16
  6. Step 6: Final answer
    x = 64,699.53

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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.