Home / 145,329.30-217,904.74-56,479.06

Finding the Fourth Proportional to 145,329.30, 217,904.74 and 56,479.06

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Solution

The fourth proportional to 145,329.30, 217,904.74 and 56,479.06 is: 84,683.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,329.30 : 217,904.74 = 56,479.06 : x
  2. Step 2: Convert to fraction form
    145,329.30/217,904.74 = 56,479.06/x
  3. Step 3: Cross multiply
    145,329.30x = 217,904.74 × 56,479.06
  4. Step 4: Simplify right side
    145,329.30x = 12,307,054,884.74
  5. Step 5: Solve for x
    x = 12,307,054,884.74/145,329.30
  6. Step 6: Final answer
    x = 84,683.92

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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.