Home / 126,064.90-189,097.35-70,653.70

Finding the Fourth Proportional to 126,064.90, 189,097.35 and 70,653.70

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Solution

The fourth proportional to 126,064.90, 189,097.35 and 70,653.70 is: 105,980.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,064.90 : 189,097.35 = 70,653.70 : x
  2. Step 2: Convert to fraction form
    126,064.90/189,097.35 = 70,653.70/x
  3. Step 3: Cross multiply
    126,064.90x = 189,097.35 × 70,653.70
  4. Step 4: Simplify right side
    126,064.90x = 13,360,427,437.70
  5. Step 5: Solve for x
    x = 13,360,427,437.70/126,064.90
  6. Step 6: Final answer
    x = 105,980.55

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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.