Home / 127,124.84-190,645.40-42,862.24

Finding the Fourth Proportional to 127,124.84, 190,645.40 and 42,862.24

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Solution

The fourth proportional to 127,124.84, 190,645.40 and 42,862.24 is: 64,279.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,124.84 : 190,645.40 = 42,862.24 : x
  2. Step 2: Convert to fraction form
    127,124.84/190,645.40 = 42,862.24/x
  3. Step 3: Cross multiply
    127,124.84x = 190,645.40 × 42,862.24
  4. Step 4: Simplify right side
    127,124.84x = 8,171,488,889.70
  5. Step 5: Solve for x
    x = 8,171,488,889.70/127,124.84
  6. Step 6: Final answer
    x = 64,279.25

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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.