Home / 145,298.32-217,959.98-40,117.28

Finding the Fourth Proportional to 145,298.32, 217,959.98 and 40,117.28

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Solution

The fourth proportional to 145,298.32, 217,959.98 and 40,117.28 is: 60,179.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,298.32 : 217,959.98 = 40,117.28 : x
  2. Step 2: Convert to fraction form
    145,298.32/217,959.98 = 40,117.28/x
  3. Step 3: Cross multiply
    145,298.32x = 217,959.98 × 40,117.28
  4. Step 4: Simplify right side
    145,298.32x = 8,743,960,256.07
  5. Step 5: Solve for x
    x = 8,743,960,256.07/145,298.32
  6. Step 6: Final answer
    x = 60,179.36

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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.