Home / 152,539.23-210,511.86-87,984.46

Finding the Fourth Proportional to 152,539.23, 210,511.86 and 87,984.46

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Solution

The fourth proportional to 152,539.23, 210,511.86 and 87,984.46 is: 121,423.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,539.23 : 210,511.86 = 87,984.46 : x
  2. Step 2: Convert to fraction form
    152,539.23/210,511.86 = 87,984.46/x
  3. Step 3: Cross multiply
    152,539.23x = 210,511.86 × 87,984.46
  4. Step 4: Simplify right side
    152,539.23x = 18,521,771,273.14
  5. Step 5: Solve for x
    x = 18,521,771,273.14/152,539.23
  6. Step 6: Final answer
    x = 121,423.00

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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.