Home / 210,836.79-316,359.07-98,524.76

Finding the Fourth Proportional to 210,836.79, 316,359.07 and 98,524.76

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Solution

The fourth proportional to 210,836.79, 316,359.07 and 98,524.76 is: 147,835.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,836.79 : 316,359.07 = 98,524.76 : x
  2. Step 2: Convert to fraction form
    210,836.79/316,359.07 = 98,524.76/x
  3. Step 3: Cross multiply
    210,836.79x = 316,359.07 × 98,524.76
  4. Step 4: Simplify right side
    210,836.79x = 31,169,199,617.47
  5. Step 5: Solve for x
    x = 31,169,199,617.47/210,836.79
  6. Step 6: Final answer
    x = 147,835.68

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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.