Home / 152,009.70-227,358.45-128,390.10

Finding the Fourth Proportional to 152,009.70, 227,358.45 and 128,390.10

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Solution

The fourth proportional to 152,009.70, 227,358.45 and 128,390.10 is: 192,031.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,009.70 : 227,358.45 = 128,390.10 : x
  2. Step 2: Convert to fraction form
    152,009.70/227,358.45 = 128,390.10/x
  3. Step 3: Cross multiply
    152,009.70x = 227,358.45 × 128,390.10
  4. Step 4: Simplify right side
    152,009.70x = 29,190,574,131.35
  5. Step 5: Solve for x
    x = 29,190,574,131.35/152,009.70
  6. Step 6: Final answer
    x = 192,031.00

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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.