Home / 145,056.36-217,547.58-45,197.94

Finding the Fourth Proportional to 145,056.36, 217,547.58 and 45,197.94

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Solution

The fourth proportional to 145,056.36, 217,547.58 and 45,197.94 is: 67,785.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,056.36 : 217,547.58 = 45,197.94 : x
  2. Step 2: Convert to fraction form
    145,056.36/217,547.58 = 45,197.94/x
  3. Step 3: Cross multiply
    145,056.36x = 217,547.58 × 45,197.94
  4. Step 4: Simplify right side
    145,056.36x = 9,832,702,467.99
  5. Step 5: Solve for x
    x = 9,832,702,467.99/145,056.36
  6. Step 6: Final answer
    x = 67,785.39

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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.