Home / 152,470.89-210,272.76-98,699.85

Finding the Fourth Proportional to 152,470.89, 210,272.76 and 98,699.85

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Solution

The fourth proportional to 152,470.89, 210,272.76 and 98,699.85 is: 136,117.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,470.89 : 210,272.76 = 98,699.85 : x
  2. Step 2: Convert to fraction form
    152,470.89/210,272.76 = 98,699.85/x
  3. Step 3: Cross multiply
    152,470.89x = 210,272.76 × 98,699.85
  4. Step 4: Simplify right side
    152,470.89x = 20,753,889,871.09
  5. Step 5: Solve for x
    x = 20,753,889,871.09/152,470.89
  6. Step 6: Final answer
    x = 136,117.06

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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.