Home / 314,810.93-472,077.07-90,120.17

Finding the Fourth Proportional to 314,810.93, 472,077.07 and 90,120.17

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Solution

The fourth proportional to 314,810.93, 472,077.07 and 90,120.17 is: 135,140.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,810.93 : 472,077.07 = 90,120.17 : x
  2. Step 2: Convert to fraction form
    314,810.93/472,077.07 = 90,120.17/x
  3. Step 3: Cross multiply
    314,810.93x = 472,077.07 × 90,120.17
  4. Step 4: Simplify right side
    314,810.93x = 42,543,663,215.82
  5. Step 5: Solve for x
    x = 42,543,663,215.82/314,810.93
  6. Step 6: Final answer
    x = 135,140.36

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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.