Home / 122,036.48-168,508.32-98,086.40

Finding the Fourth Proportional to 122,036.48, 168,508.32 and 98,086.40

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Solution

The fourth proportional to 122,036.48, 168,508.32 and 98,086.40 is: 135,437.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,036.48 : 168,508.32 = 98,086.40 : x
  2. Step 2: Convert to fraction form
    122,036.48/168,508.32 = 98,086.40/x
  3. Step 3: Cross multiply
    122,036.48x = 168,508.32 × 98,086.40
  4. Step 4: Simplify right side
    122,036.48x = 16,528,374,478.85
  5. Step 5: Solve for x
    x = 16,528,374,478.85/122,036.48
  6. Step 6: Final answer
    x = 135,437.98

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1.5x scale

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.