Home / 113,792.20-170,688.30-73,875.40

Finding the Fourth Proportional to 113,792.20, 170,688.30 and 73,875.40

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Solution

The fourth proportional to 113,792.20, 170,688.30 and 73,875.40 is: 110,813.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,792.20 : 170,688.30 = 73,875.40 : x
  2. Step 2: Convert to fraction form
    113,792.20/170,688.30 = 73,875.40/x
  3. Step 3: Cross multiply
    113,792.20x = 170,688.30 × 73,875.40
  4. Step 4: Simplify right side
    113,792.20x = 12,609,666,437.82
  5. Step 5: Solve for x
    x = 12,609,666,437.82/113,792.20
  6. Step 6: Final answer
    x = 110,813.10

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