Home / 134,407.08-185,483.52-77,807.52

Finding the Fourth Proportional to 134,407.08, 185,483.52 and 77,807.52

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Solution

The fourth proportional to 134,407.08, 185,483.52 and 77,807.52 is: 107,375.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,407.08 : 185,483.52 = 77,807.52 : x
  2. Step 2: Convert to fraction form
    134,407.08/185,483.52 = 77,807.52/x
  3. Step 3: Cross multiply
    134,407.08x = 185,483.52 × 77,807.52
  4. Step 4: Simplify right side
    134,407.08x = 14,432,012,692.07
  5. Step 5: Solve for x
    x = 14,432,012,692.07/134,407.08
  6. Step 6: Final answer
    x = 107,375.39

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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.