Home / 145,046.34-217,574.99-45,206.15

Finding the Fourth Proportional to 145,046.34, 217,574.99 and 45,206.15

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Solution

The fourth proportional to 145,046.34, 217,574.99 and 45,206.15 is: 67,810.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,046.34 : 217,574.99 = 45,206.15 : x
  2. Step 2: Convert to fraction form
    145,046.34/217,574.99 = 45,206.15/x
  3. Step 3: Cross multiply
    145,046.34x = 217,574.99 × 45,206.15
  4. Step 4: Simplify right side
    145,046.34x = 9,835,726,320.28
  5. Step 5: Solve for x
    x = 9,835,726,320.28/145,046.34
  6. Step 6: Final answer
    x = 67,810.92

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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.