Home / 145,988.38-218,963.74-46,158.72

Finding the Fourth Proportional to 145,988.38, 218,963.74 and 46,158.72

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Solution

The fourth proportional to 145,988.38, 218,963.74 and 46,158.72 is: 69,232.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,988.38 : 218,963.74 = 46,158.72 : x
  2. Step 2: Convert to fraction form
    145,988.38/218,963.74 = 46,158.72/x
  3. Step 3: Cross multiply
    145,988.38x = 218,963.74 × 46,158.72
  4. Step 4: Simplify right side
    145,988.38x = 10,107,085,964.81
  5. Step 5: Solve for x
    x = 10,107,085,964.81/145,988.38
  6. Step 6: Final answer
    x = 69,232.13

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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.