Home / 240,655.90-332,000.85-145,109.51

Finding the Fourth Proportional to 240,655.90, 332,000.85 and 145,109.51

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Solution

The fourth proportional to 240,655.90, 332,000.85 and 145,109.51 is: 200,188.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,655.90 : 332,000.85 = 145,109.51 : x
  2. Step 2: Convert to fraction form
    240,655.90/332,000.85 = 145,109.51/x
  3. Step 3: Cross multiply
    240,655.90x = 332,000.85 × 145,109.51
  4. Step 4: Simplify right side
    240,655.90x = 48,176,480,663.08
  5. Step 5: Solve for x
    x = 48,176,480,663.08/240,655.90
  6. Step 6: Final answer
    x = 200,188.24

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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.