Home / 113,326.40-169,989.60-51,118.40

Finding the Fourth Proportional to 113,326.40, 169,989.60 and 51,118.40

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Solution

The fourth proportional to 113,326.40, 169,989.60 and 51,118.40 is: 76,677.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,326.40 : 169,989.60 = 51,118.40 : x
  2. Step 2: Convert to fraction form
    113,326.40/169,989.60 = 51,118.40/x
  3. Step 3: Cross multiply
    113,326.40x = 169,989.60 × 51,118.40
  4. Step 4: Simplify right side
    113,326.40x = 8,689,596,368.64
  5. Step 5: Solve for x
    x = 8,689,596,368.64/113,326.40
  6. Step 6: Final answer
    x = 76,677.60

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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.