Home / 152,970.11-229,260.46-86,447.34

Finding the Fourth Proportional to 152,970.11, 229,260.46 and 86,447.34

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Solution

The fourth proportional to 152,970.11, 229,260.46 and 86,447.34 is: 129,560.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,970.11 : 229,260.46 = 86,447.34 : x
  2. Step 2: Convert to fraction form
    152,970.11/229,260.46 = 86,447.34/x
  3. Step 3: Cross multiply
    152,970.11x = 229,260.46 × 86,447.34
  4. Step 4: Simplify right side
    152,970.11x = 19,818,956,934.18
  5. Step 5: Solve for x
    x = 19,818,956,934.18/152,970.11
  6. Step 6: Final answer
    x = 129,560.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.