Home / 152,500.28-210,465.09-84,531.98

Finding the Fourth Proportional to 152,500.28, 210,465.09 and 84,531.98

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Solution

The fourth proportional to 152,500.28, 210,465.09 and 84,531.98 is: 116,662.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,500.28 : 210,465.09 = 84,531.98 : x
  2. Step 2: Convert to fraction form
    152,500.28/210,465.09 = 84,531.98/x
  3. Step 3: Cross multiply
    152,500.28x = 210,465.09 × 84,531.98
  4. Step 4: Simplify right side
    152,500.28x = 17,791,030,778.58
  5. Step 5: Solve for x
    x = 17,791,030,778.58/152,500.28
  6. Step 6: Final answer
    x = 116,662.28

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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.