Home / 231,038.04-318,655.98-159,537.72

Finding the Fourth Proportional to 231,038.04, 318,655.98 and 159,537.72

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Solution

The fourth proportional to 231,038.04, 318,655.98 and 159,537.72 is: 220,040.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,038.04 : 318,655.98 = 159,537.72 : x
  2. Step 2: Convert to fraction form
    231,038.04/318,655.98 = 159,537.72/x
  3. Step 3: Cross multiply
    231,038.04x = 318,655.98 × 159,537.72
  4. Step 4: Simplify right side
    231,038.04x = 50,837,648,513.57
  5. Step 5: Solve for x
    x = 50,837,648,513.57/231,038.04
  6. Step 6: Final answer
    x = 220,040.17

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1.5x scale

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.