Home / 145,713.46-201,106.89-88,362.10

Finding the Fourth Proportional to 145,713.46, 201,106.89 and 88,362.10

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Solution

The fourth proportional to 145,713.46, 201,106.89 and 88,362.10 is: 121,953.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,713.46 : 201,106.89 = 88,362.10 : x
  2. Step 2: Convert to fraction form
    145,713.46/201,106.89 = 88,362.10/x
  3. Step 3: Cross multiply
    145,713.46x = 201,106.89 × 88,362.10
  4. Step 4: Simplify right side
    145,713.46x = 17,770,227,124.87
  5. Step 5: Solve for x
    x = 17,770,227,124.87/145,713.46
  6. Step 6: Final answer
    x = 121,953.23

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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.