Home / 97,929.50-135,184.05-66,141.46

Finding the Fourth Proportional to 97,929.50, 135,184.05 and 66,141.46

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Solution

The fourth proportional to 97,929.50, 135,184.05 and 66,141.46 is: 91,303.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,929.50 : 135,184.05 = 66,141.46 : x
  2. Step 2: Convert to fraction form
    97,929.50/135,184.05 = 66,141.46/x
  3. Step 3: Cross multiply
    97,929.50x = 135,184.05 × 66,141.46
  4. Step 4: Simplify right side
    97,929.50x = 8,941,270,435.71
  5. Step 5: Solve for x
    x = 8,941,270,435.71/97,929.50
  6. Step 6: Final answer
    x = 91,303.14

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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.