Home / 134,515.69-185,615.40-77,152.04

Finding the Fourth Proportional to 134,515.69, 185,615.40 and 77,152.04

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Solution

The fourth proportional to 134,515.69, 185,615.40 and 77,152.04 is: 106,460.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,515.69 : 185,615.40 = 77,152.04 : x
  2. Step 2: Convert to fraction form
    134,515.69/185,615.40 = 77,152.04/x
  3. Step 3: Cross multiply
    134,515.69x = 185,615.40 × 77,152.04
  4. Step 4: Simplify right side
    134,515.69x = 14,320,607,432.82
  5. Step 5: Solve for x
    x = 14,320,607,432.82/134,515.69
  6. Step 6: Final answer
    x = 106,460.50

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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.