Home / 119,875.08-179,812.66-40,990.04

Finding the Fourth Proportional to 119,875.08, 179,812.66 and 40,990.04

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Solution

The fourth proportional to 119,875.08, 179,812.66 and 40,990.04 is: 61,485.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,875.08 : 179,812.66 = 40,990.04 : x
  2. Step 2: Convert to fraction form
    119,875.08/179,812.66 = 40,990.04/x
  3. Step 3: Cross multiply
    119,875.08x = 179,812.66 × 40,990.04
  4. Step 4: Simplify right side
    119,875.08x = 7,370,528,125.91
  5. Step 5: Solve for x
    x = 7,370,528,125.91/119,875.08
  6. Step 6: Final answer
    x = 61,485.07

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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.