Home / 152,909.84-211,014.12-85,841.36

Finding the Fourth Proportional to 152,909.84, 211,014.12 and 85,841.36

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Solution

The fourth proportional to 152,909.84, 211,014.12 and 85,841.36 is: 118,460.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,909.84 : 211,014.12 = 85,841.36 : x
  2. Step 2: Convert to fraction form
    152,909.84/211,014.12 = 85,841.36/x
  3. Step 3: Cross multiply
    152,909.84x = 211,014.12 × 85,841.36
  4. Step 4: Simplify right side
    152,909.84x = 18,113,739,040.00
  5. Step 5: Solve for x
    x = 18,113,739,040.00/152,909.84
  6. Step 6: Final answer
    x = 118,460.26

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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.