Home / 103,941.36-155,970.50-56,559.89

Finding the Fourth Proportional to 103,941.36, 155,970.50 and 56,559.89

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Solution

The fourth proportional to 103,941.36, 155,970.50 and 56,559.89 is: 84,871.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,941.36 : 155,970.50 = 56,559.89 : x
  2. Step 2: Convert to fraction form
    103,941.36/155,970.50 = 56,559.89/x
  3. Step 3: Cross multiply
    103,941.36x = 155,970.50 × 56,559.89
  4. Step 4: Simplify right side
    103,941.36x = 8,821,674,430.37
  5. Step 5: Solve for x
    x = 8,821,674,430.37/103,941.36
  6. Step 6: Final answer
    x = 84,871.65

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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.