Home / 142,487.04-212,678.25-125,677.56

Finding the Fourth Proportional to 142,487.04, 212,678.25 and 125,677.56

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Solution

The fourth proportional to 142,487.04, 212,678.25 and 125,677.56 is: 187,588.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,487.04 : 212,678.25 = 125,677.56 : x
  2. Step 2: Convert to fraction form
    142,487.04/212,678.25 = 125,677.56/x
  3. Step 3: Cross multiply
    142,487.04x = 212,678.25 × 125,677.56
  4. Step 4: Simplify right side
    142,487.04x = 26,728,883,525.07
  5. Step 5: Solve for x
    x = 26,728,883,525.07/142,487.04
  6. Step 6: Final answer
    x = 187,588.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.