Home / 145,301.09-217,862.47-56,450.87

Finding the Fourth Proportional to 145,301.09, 217,862.47 and 56,450.87

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Solution

The fourth proportional to 145,301.09, 217,862.47 and 56,450.87 is: 84,641.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,301.09 : 217,862.47 = 56,450.87 : x
  2. Step 2: Convert to fraction form
    145,301.09/217,862.47 = 56,450.87/x
  3. Step 3: Cross multiply
    145,301.09x = 217,862.47 × 56,450.87
  4. Step 4: Simplify right side
    145,301.09x = 12,298,524,741.41
  5. Step 5: Solve for x
    x = 12,298,524,741.41/145,301.09
  6. Step 6: Final answer
    x = 84,641.66

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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.