Home / 123,230.40-170,058.48-66,642.24

Finding the Fourth Proportional to 123,230.40, 170,058.48 and 66,642.24

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Solution

The fourth proportional to 123,230.40, 170,058.48 and 66,642.24 is: 91,966.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,230.40 : 170,058.48 = 66,642.24 : x
  2. Step 2: Convert to fraction form
    123,230.40/170,058.48 = 66,642.24/x
  3. Step 3: Cross multiply
    123,230.40x = 170,058.48 × 66,642.24
  4. Step 4: Simplify right side
    123,230.40x = 11,333,078,038.20
  5. Step 5: Solve for x
    x = 11,333,078,038.20/123,230.40
  6. Step 6: Final answer
    x = 91,966.58

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1.5x scale

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.