Home / 152,875.87-210,970.17-89,201.36

Finding the Fourth Proportional to 152,875.87, 210,970.17 and 89,201.36

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Solution

The fourth proportional to 152,875.87, 210,970.17 and 89,201.36 is: 123,098.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,875.87 : 210,970.17 = 89,201.36 : x
  2. Step 2: Convert to fraction form
    152,875.87/210,970.17 = 89,201.36/x
  3. Step 3: Cross multiply
    152,875.87x = 210,970.17 × 89,201.36
  4. Step 4: Simplify right side
    152,875.87x = 18,818,826,083.43
  5. Step 5: Solve for x
    x = 18,818,826,083.43/152,875.87
  6. Step 6: Final answer
    x = 123,098.74

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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.