Home / 169,606.60-254,438.70-90,699.40

Finding the Fourth Proportional to 169,606.60, 254,438.70 and 90,699.40

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Solution

The fourth proportional to 169,606.60, 254,438.70 and 90,699.40 is: 136,064.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,606.60 : 254,438.70 = 90,699.40 : x
  2. Step 2: Convert to fraction form
    169,606.60/254,438.70 = 90,699.40/x
  3. Step 3: Cross multiply
    169,606.60x = 254,438.70 × 90,699.40
  4. Step 4: Simplify right side
    169,606.60x = 23,077,437,426.78
  5. Step 5: Solve for x
    x = 23,077,437,426.78/169,606.60
  6. Step 6: Final answer
    x = 136,064.50

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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.