Home / 145,426.17-218,139.32-45,594.15

Finding the Fourth Proportional to 145,426.17, 218,139.32 and 45,594.15

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Solution

The fourth proportional to 145,426.17, 218,139.32 and 45,594.15 is: 68,391.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,426.17 : 218,139.32 = 45,594.15 : x
  2. Step 2: Convert to fraction form
    145,426.17/218,139.32 = 45,594.15/x
  3. Step 3: Cross multiply
    145,426.17x = 218,139.32 × 45,594.15
  4. Step 4: Simplify right side
    145,426.17x = 9,945,875,852.36
  5. Step 5: Solve for x
    x = 9,945,875,852.36/145,426.17
  6. Step 6: Final answer
    x = 68,391.24

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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.