Home / 103,534.98-155,191.74-53,564.76

Finding the Fourth Proportional to 103,534.98, 155,191.74 and 53,564.76

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Solution

The fourth proportional to 103,534.98, 155,191.74 and 53,564.76 is: 80,289.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,534.98 : 155,191.74 = 53,564.76 : x
  2. Step 2: Convert to fraction form
    103,534.98/155,191.74 = 53,564.76/x
  3. Step 3: Cross multiply
    103,534.98x = 155,191.74 × 53,564.76
  4. Step 4: Simplify right side
    103,534.98x = 8,312,808,307.08
  5. Step 5: Solve for x
    x = 8,312,808,307.08/103,534.98
  6. Step 6: Final answer
    x = 80,289.85

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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.