Home / 121,264.20-181,809.90-46,355.40

Finding the Fourth Proportional to 121,264.20, 181,809.90 and 46,355.40

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Solution

The fourth proportional to 121,264.20, 181,809.90 and 46,355.40 is: 69,500.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,264.20 : 181,809.90 = 46,355.40 : x
  2. Step 2: Convert to fraction form
    121,264.20/181,809.90 = 46,355.40/x
  3. Step 3: Cross multiply
    121,264.20x = 181,809.90 × 46,355.40
  4. Step 4: Simplify right side
    121,264.20x = 8,427,870,638.46
  5. Step 5: Solve for x
    x = 8,427,870,638.46/121,264.20
  6. Step 6: Final answer
    x = 69,500.07

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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.