Home / 134,317.08-185,362.11-73,890

Finding the Fourth Proportional to 134,317.08, 185,362.11 and 73,890

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Solution

The fourth proportional to 134,317.08, 185,362.11 and 73,890 is: 101,970.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,317.08 : 185,362.11 = 73,890 : x
  2. Step 2: Convert to fraction form
    134,317.08/185,362.11 = 73,890/x
  3. Step 3: Cross multiply
    134,317.08x = 185,362.11 × 73,890
  4. Step 4: Simplify right side
    134,317.08x = 13,696,406,307.90
  5. Step 5: Solve for x
    x = 13,696,406,307.90/134,317.08
  6. Step 6: Final answer
    x = 101,970.70

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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.