Home / 145,287.32-217,943.52-40,106.30

Finding the Fourth Proportional to 145,287.32, 217,943.52 and 40,106.30

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Solution

The fourth proportional to 145,287.32, 217,943.52 and 40,106.30 is: 60,162.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,287.32 : 217,943.52 = 40,106.30 : x
  2. Step 2: Convert to fraction form
    145,287.32/217,943.52 = 40,106.30/x
  3. Step 3: Cross multiply
    145,287.32x = 217,943.52 × 40,106.30
  4. Step 4: Simplify right side
    145,287.32x = 8,740,908,196.18
  5. Step 5: Solve for x
    x = 8,740,908,196.18/145,287.32
  6. Step 6: Final answer
    x = 60,162.91

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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.