Home / 145,337.10-200,567.53-79,928.51

Finding the Fourth Proportional to 145,337.10, 200,567.53 and 79,928.51

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Solution

The fourth proportional to 145,337.10, 200,567.53 and 79,928.51 is: 110,302.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,337.10 : 200,567.53 = 79,928.51 : x
  2. Step 2: Convert to fraction form
    145,337.10/200,567.53 = 79,928.51/x
  3. Step 3: Cross multiply
    145,337.10x = 200,567.53 × 79,928.51
  4. Step 4: Simplify right side
    145,337.10x = 16,031,063,827.28
  5. Step 5: Solve for x
    x = 16,031,063,827.28/145,337.10
  6. Step 6: Final answer
    x = 110,302.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.