Home / 90,717.93-136,126.11-43,970.82

Finding the Fourth Proportional to 90,717.93, 136,126.11 and 43,970.82

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Solution

The fourth proportional to 90,717.93, 136,126.11 and 43,970.82 is: 65,980.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,717.93 : 136,126.11 = 43,970.82 : x
  2. Step 2: Convert to fraction form
    90,717.93/136,126.11 = 43,970.82/x
  3. Step 3: Cross multiply
    90,717.93x = 136,126.11 × 43,970.82
  4. Step 4: Simplify right side
    90,717.93x = 5,985,576,680.11
  5. Step 5: Solve for x
    x = 5,985,576,680.11/90,717.93
  6. Step 6: Final answer
    x = 65,980.08

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1.5x scale

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.