Home / 153,026.30-229,430.10-68,717.45

Finding the Fourth Proportional to 153,026.30, 229,430.10 and 68,717.45

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Solution

The fourth proportional to 153,026.30, 229,430.10 and 68,717.45 is: 103,027.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,026.30 : 229,430.10 = 68,717.45 : x
  2. Step 2: Convert to fraction form
    153,026.30/229,430.10 = 68,717.45/x
  3. Step 3: Cross multiply
    153,026.30x = 229,430.10 × 68,717.45
  4. Step 4: Simplify right side
    153,026.30x = 15,765,851,425.25
  5. Step 5: Solve for x
    x = 15,765,851,425.25/153,026.30
  6. Step 6: Final answer
    x = 103,027.07

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1.5x scale

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.