Home / 153,748.49-230,632.46-64,990.31

Finding the Fourth Proportional to 153,748.49, 230,632.46 and 64,990.31

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Solution

The fourth proportional to 153,748.49, 230,632.46 and 64,990.31 is: 97,489.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,748.49 : 230,632.46 = 64,990.31 : x
  2. Step 2: Convert to fraction form
    153,748.49/230,632.46 = 64,990.31/x
  3. Step 3: Cross multiply
    153,748.49x = 230,632.46 × 64,990.31
  4. Step 4: Simplify right side
    153,748.49x = 14,988,874,746.51
  5. Step 5: Solve for x
    x = 14,988,874,746.51/153,748.49
  6. Step 6: Final answer
    x = 97,489.57

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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.