Home / 155,337.35-215,177.21-152,188.07

Finding the Fourth Proportional to 155,337.35, 215,177.21 and 152,188.07

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Solution

The fourth proportional to 155,337.35, 215,177.21 and 152,188.07 is: 210,814.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,337.35 : 215,177.21 = 152,188.07 : x
  2. Step 2: Convert to fraction form
    155,337.35/215,177.21 = 152,188.07/x
  3. Step 3: Cross multiply
    155,337.35x = 215,177.21 × 152,188.07
  4. Step 4: Simplify right side
    155,337.35x = 32,747,403,031.76
  5. Step 5: Solve for x
    x = 32,747,403,031.76/155,337.35
  6. Step 6: Final answer
    x = 210,814.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.