Home / 151,031.07-208,469.34-97,315.92

Finding the Fourth Proportional to 151,031.07, 208,469.34 and 97,315.92

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Solution

The fourth proportional to 151,031.07, 208,469.34 and 97,315.92 is: 134,325.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,031.07 : 208,469.34 = 97,315.92 : x
  2. Step 2: Convert to fraction form
    151,031.07/208,469.34 = 97,315.92/x
  3. Step 3: Cross multiply
    151,031.07x = 208,469.34 × 97,315.92
  4. Step 4: Simplify right side
    151,031.07x = 20,287,385,613.89
  5. Step 5: Solve for x
    x = 20,287,385,613.89/151,031.07
  6. Step 6: Final answer
    x = 134,325.91

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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.