Home / 508,009.20-761,955.36-134,061.36

Finding the Fourth Proportional to 508,009.20, 761,955.36 and 134,061.36

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Solution

The fourth proportional to 508,009.20, 761,955.36 and 134,061.36 is: 201,076.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,009.20 : 761,955.36 = 134,061.36 : x
  2. Step 2: Convert to fraction form
    508,009.20/761,955.36 = 134,061.36/x
  3. Step 3: Cross multiply
    508,009.20x = 761,955.36 × 134,061.36
  4. Step 4: Simplify right side
    508,009.20x = 102,148,771,820.89
  5. Step 5: Solve for x
    x = 102,148,771,820.89/508,009.20
  6. Step 6: Final answer
    x = 201,076.62

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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.