Home / 146,430.30-219,645.45-87,332.70

Finding the Fourth Proportional to 146,430.30, 219,645.45 and 87,332.70

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Solution

The fourth proportional to 146,430.30, 219,645.45 and 87,332.70 is: 130,999.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,430.30 : 219,645.45 = 87,332.70 : x
  2. Step 2: Convert to fraction form
    146,430.30/219,645.45 = 87,332.70/x
  3. Step 3: Cross multiply
    146,430.30x = 219,645.45 × 87,332.70
  4. Step 4: Simplify right side
    146,430.30x = 19,182,230,191.22
  5. Step 5: Solve for x
    x = 19,182,230,191.22/146,430.30
  6. Step 6: Final answer
    x = 130,999.05

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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.