Home / 126,749.34-190,054.35-42,465.20

Finding the Fourth Proportional to 126,749.34, 190,054.35 and 42,465.20

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Solution

The fourth proportional to 126,749.34, 190,054.35 and 42,465.20 is: 63,674.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,749.34 : 190,054.35 = 42,465.20 : x
  2. Step 2: Convert to fraction form
    126,749.34/190,054.35 = 42,465.20/x
  3. Step 3: Cross multiply
    126,749.34x = 190,054.35 × 42,465.20
  4. Step 4: Simplify right side
    126,749.34x = 8,070,695,033.35
  5. Step 5: Solve for x
    x = 8,070,695,033.35/126,749.34
  6. Step 6: Final answer
    x = 63,674.45

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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.