Home / 102,623.80-153,935.70-97,812.40

Finding the Fourth Proportional to 102,623.80, 153,935.70 and 97,812.40

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Solution

The fourth proportional to 102,623.80, 153,935.70 and 97,812.40 is: 146,718.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,623.80 : 153,935.70 = 97,812.40 : x
  2. Step 2: Convert to fraction form
    102,623.80/153,935.70 = 97,812.40/x
  3. Step 3: Cross multiply
    102,623.80x = 153,935.70 × 97,812.40
  4. Step 4: Simplify right side
    102,623.80x = 15,056,820,262.68
  5. Step 5: Solve for x
    x = 15,056,820,262.68/102,623.80
  6. Step 6: Final answer
    x = 146,718.60

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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.